Uitgevers Double 9 Books LLP

Cover for Roy Rockwood · Dave Fearless And The Cave Of MysteryOr Adrift On The Pacific (Edition1) (Paperback Book) (2025)

Dave Fearless And The Cave Of My... (2025)

Cover for E Phillips Oppenheim · Jacob’s Ladder (Edition1) (Paperback Book) (2025)

Jacob’s Ladder (Edition1) (2025)

E Phillips Oppenheim

Cover for Henry Stanton · SexAvoided Subjects Discussed In Plain English (Edition1) (Paperback Book) (2025)

SexAvoided Subjects Discussed In... (2025)

Cover for Stephen McKenna · The Confessions Of A Well-Meaning Woman (Edition1) (Paperback Book) (2025)

The Confessions Of A Well-Meanin... (2025)

Stephen McKenna

Cover for Hulbert Footner · The Substitute Millionaire (Edition1) (Paperback Book) (2025)

The Substitute Millionaire (Edit... (2025)

Hulbert Footner

Cover for James Otis · With The Swamp FoxA Story Of General Marion's Young Spies (Edition1) (Paperback Book) (2025)

With The Swamp FoxA Story Of Gen... (2025)

Cover for Roy Rockwood · Lost On The MoonOr In Quest Of The Field Of Diamonds (Edition1) (Paperback Book) (2025)

Lost On The MoonOr In Quest Of T... (2025)

Cover for Herbert Strang · Tom Willoughby's ScoutsA Story Of The War In German East Africa (Edition1) (Paperback Book) (2025)

Tom Willoughby's ScoutsA Story O... (2025)

Cover for George Durston · The Boy Scouts’ Victory (Edition1) (Paperback Book) (2025)

The Boy Scouts’ Victory (Edition1) (2025)

Cover for Ruel Perley Smith · The Rival Campers AfloatOr, The Prize Yacht Viking (Edition1) (Paperback Book) (2025)

The Rival Campers AfloatOr, The ... (2025)

Ruel Perley Smith

Cover for Clarence B Kelland · Youth Challenges (Edition1) (Paperback Book) (2025)

Youth Challenges (Edition1) (2025)

Clarence B Kelland

Cover for A O Defoe Daniel Exquemelin · The Buccaneers And Marooners Of AmericaBeing An Account Of The Famous Adventures And Daring Deeds Of Certain Notorious Freebooters Of The Spanish Main (Edition1) (Paperback Book) (2025)

The Buccaneers And Marooners Of ... (2025)

A O Defoe Daniel Exquemelin

Cover for Lilian Garis · Gloria At Boarding School (Edition1) (Paperback Book) (2025)

Gloria At Boarding School (Editi... (2025)

Cover for Roy Rockwood · The Speedwell Boys And Their Ice RacerOr Lost In The Great Blizzard (Edition1) (Paperback Book) (2025)

The Speedwell Boys And Their Ice... (2025)

Cover for Roy Rockwood · Under The Ocean To The South PoleOr The Strange Cruise of the Submarine Wonder (Edition1) (Paperback Book) (2025)

Under The Ocean To The South Pol... (2025)

Cover for Hulbert Footner · The Deaves Affair (Edition1) (Paperback Book) (2025)

The Deaves Affair (Edition1) (2025)

Hulbert Footner

Cover for Clarence Young · The Motor Boys In The ArmyOr Ned, Bob And Jerry As Volunteers (Edition1) (Paperback Book) (2025)

The Motor Boys In The ArmyOr Ned... (2025)

Cover for Herbert Stead Richard Strang · With Marlborough To MalplaquetA Story of the Reign of Queen Anne (Edition1) (Paperback Book) (2025)

With Marlborough To MalplaquetA ... (2025)

Herbert Stead Richard Strang

Cover for Roy Rockwood · Bomba The Jungle Boy On Jaguar IslandOr Adrift on the River of Mystery (Edition1) (Paperback Book) (2025)

Bomba The Jungle Boy On Jaguar I... (2025)

Cover for James Symmes John Cleves McBride · Symmes's Theory Of Concentric Spheres (Edition1) (Paperback Book) (2025)

Symmes's Theory Of Concentric Sp... (2025)

James Symmes John Cleves McBride

Cover for Clarence B Kelland · Mark Tidd In Business (Edition1) (Paperback Book) (2025)

Mark Tidd In Business (Edition1) (2025)

Clarence B Kelland

Cover for James Otis · The Minute Boys Of York Town (Edition1) (Paperback Book) (2025)

The Minute Boys Of York Town (Ed... (2025)

Cover for Catherine Ann White · The Student's Mythology (Edition1) (Paperback Book) (2025)

The Student's Mythology (Edition1) (2025)

Catherine Ann White

Cover for Herbert Strang · Jack HardyA Story of English Smugglers in the Days of Napoleon (Edition1) (Paperback Book) (2025)

Jack HardyA Story of English Smu... (2025)

Cover for Richard Dehan · The Just StewardBook the Fourth (Edition1) (Paperback Book) (2025)

The Just StewardBook the Fourth ... (2025)

Cover for Hulbert Footner · The Woman From “Outside” (Edition1) (Paperback Book) (2025)

The Woman From “Outside” (Edition1) (2025)

Hulbert Footner

Cover for Frank V Webster · The Boy Scouts Of LenoxOr The Hike Over Big Bear Mountain (Edition1) (Paperback Book) (2025)

The Boy Scouts Of LenoxOr The Hi... (2025)

Frank V Webster

Cover for Ruel Perley Smith · Jack Harvey’s AdventuresOr, The Rival Campers Among The Oyster Pirates (Edition1) (Paperback Book) (2025)

Jack Harvey’s AdventuresOr, The ... (2025)

Ruel Perley Smith

Cover for Roy Rockwood · Jack North’s Treasure HuntOr, Daring Adventures In South America (Edition1) (Paperback Book) (2025)

Jack North’s Treasure HuntOr, Da... (2025)

Cover for Basil Lubbock · Jack DerringerA Tale Of Deep Water Part II (Edition1) (Paperback Book) (2025)

Jack DerringerA Tale Of Deep Wat... (2025)

Cover for Clarence Budington Kelland · Mark Tidd In The Backwoods (Edition1) (Paperback Book) (2025)

Mark Tidd In The Backwoods (Edit... (2025)

Clarence Budington Kelland

Cover for Clarence B Kelland · Sudden Jim (Edition1) (Paperback Book) (2025)

Sudden Jim (Edition1) (2025)

Clarence B Kelland

Cover for Hulbert Footner · Ramshackle House (Edition1) (Paperback Book) (2025)

Ramshackle House (Edition1) (2025)

Hulbert Footner

Cover for Hulbert Footner · Two On The TrailA Story Of The Far Northwest (Edition1) (Paperback Book) (2025)

Two On The TrailA Story Of The F... (2025)

Hulbert Footner

Cover for John Finnemore · The Wolf PatrolA Tale Of Baden Powell's Boy Scouts (Edition1) (Paperback Book) (2025)

The Wolf PatrolA Tale Of Baden P... (2025)

Cover for Sydney Sandys · Jack Carstairs Of The Power HouseA Tale Of Some Very Young Men And A Very Young Industry (Edition2) (Paperback Book) (2025)

Jack Carstairs Of The Power Hous... (2025)

Cover for Clarence Budington Kelland · Mark Tidd Manufacturer (Edition1) (Paperback Book) (2025)

Mark Tidd Manufacturer (Edition1) (2025)

Clarence Budington Kelland

Cover for Lafcadio Hearn · La Cuisine CreoleA Collection Of Culinary Recipes From Leading Chefs And Noted Creole Housewives, Who Have Made New Orleans Famous For Its Cuisine (Edition2) (Paperback Book) (2025)

La Cuisine CreoleA Collection Of... (2025)

Cover for Clarence Budington Kelland · Mark TiddHis Adventures And Strategies (Edition1) (Paperback Book) (2025)

Mark TiddHis Adventures And Stra... (2025)

Clarence Budington Kelland

Cover for Ruel Perley Smith · The Rival CampersOr, The Adventures Of Henry Burns (Edition1) (Paperback Book) (2025)

The Rival CampersOr, The Adventu... (2025)

Ruel Perley Smith

Cover for George Durston · The Boy Scout Pathfinders (Edition1) (Paperback Book) (2025)

The Boy Scout Pathfinders (Editi... (2025)

Cover for Hulbert Footner · The Owl Taxi (Edition1) (Paperback Book) (2025)

The Owl Taxi (Edition1) (2025)

Hulbert Footner

Cover for John Henry Newman · Apologia Pro Vita Sua (Edition1) (Paperback Book) (2025)

Apologia Pro Vita Sua (Edition1) (2025)

John Henry Newman

Cover for Eleanor Gates · The Justice Of Gideon (Edition1) (Paperback Book) (2025)

The Justice Of Gideon (Edition1) (2025)

Cover for Richard Dehan · The Just StewardBook the Third (Edition1) (Paperback Book) (2025)

The Just StewardBook the Third (... (2025)

Cover for Eleanor H Porter · Dawn (Edition1) (Paperback Book) (2025)

Dawn (Edition1) (2025)

Eleanor H Porter

Cover for Frank V Webster · Two Boys Of The BattleshipOr For the Honor of Uncle Sam (Edition1) (Paperback Book) (2025)

Two Boys Of The BattleshipOr For... (2025)

Frank V Webster

Cover for George Bird Grinnell · Jack The Young ExplorerA Boy’s Experiences In The Unknown Northwest (Edition1) (Paperback Book) (2025)

Jack The Young ExplorerA Boy’s E... (2025)

George Bird Grinnell

Cover for Richard Dehan · The Just StewardBook the First (Edition1) (Paperback Book) (2025)

The Just StewardBook the First (... (2025)

Cover for Bracebridge Hemyng · Jack Harkaway In New YorkOr, The Adventures Of The Travelers' Club (Edition1) (Paperback Book) (2025)

Jack Harkaway In New YorkOr, The... (2025)

Bracebridge Hemyng

Cover for Hulbert Footner · Thieves' WitAn Everyday Detective Story (Edition1) (Paperback Book) (2025)

Thieves' WitAn Everyday Detectiv... (2025)

Hulbert Footner

Cover for Frank V Webster · The Boys Of The WirelessOr A Stirring Rescue from the Deep (Edition1) (Paperback Book) (2025)

The Boys Of The WirelessOr A Sti... (2025)

Frank V Webster

Cover for August Bebel · Woman Under Socialism (Edition1) (Paperback Book) (2025)

Woman Under Socialism (Edition1) (2025)

Cover for Howard R Garis · The Curlytops On Star IslandOr Camping Out With Grandpa (Edition1) (Paperback Book) (2025)

The Curlytops On Star IslandOr C... (2025)

Cover for Herbert Strang · With Drake On The Spanish Main (Edition1) (Paperback Book) (2025)

With Drake On The Spanish Main (... (2025)

Cover for Clarence B Kelland · Contraband (Edition1) (Paperback Book) (2025)

Contraband (Edition1) (2025)

Clarence B Kelland

Cover for Joaquin Miller · The Little Gold Miners Of The Sierras (Edition1) (Paperback Book) (2025)

The Little Gold Miners Of The Si... (2025)

Cover for Charles Garvice · The Woman's Way (Edition1) (Paperback Book) (2025)

The Woman's Way (Edition1) (2025)

Charles Garvice

Cover for James Otis · Toby TylerOr Ten Weeks With A Circus (Edition1) (Paperback Book) (2025)

Toby TylerOr Ten Weeks With A Ci... (2025)

Cover for James Otis · The Cruise Of The Sally D (Edition1) (Paperback Book) (2025)

The Cruise Of The Sally D (Editi... (2025)

Cover for Fannie Hurst · Every Soul Hath Its Song (Edition1) (Paperback Book) (2025)

Every Soul Hath Its Song (Edition1) (2025)

Cover for Roy Rockwood · On A Torn-Away WorldOr The Captives Of The Great Earthquake (Edition1) (Paperback Book) (2025)

On A Torn-Away WorldOr The Capti... (2025)

Cover for Constance Fenimore Woolson · Jupiter LightsA Novel (Edition1) (Paperback Book) (2025)

Jupiter LightsA Novel (Edition1) (2025)

Constance Fenimore Woolson

Cover for James Otis · On The Kentucky FrontierA Story Of The Fighting Pioneers Of The West (Edition1) (Paperback Book) (2025)

On The Kentucky FrontierA Story ... (2025)

Cover for James Otis · The Search For The Silver CityA Tale Of Adventure In Yucatan (Edition1) (Paperback Book) (2025)

The Search For The Silver CityA ... (2025)

Cover for Eleanor H Porter · The Sunbridge Girls At Six Star Ranch (Edition1) (Paperback Book) (2025)

The Sunbridge Girls At Six Star ... (2025)

Eleanor H Porter

Cover for Eleanor H Porter · The Road To Understanding (Edition1) (Paperback Book) (2025)

The Road To Understanding (Editi... (2025)

Eleanor H Porter

Cover for James Otis · Mr. Stubbs's BrotherA Sequel To "Toby Tyler" (Edition1) (Paperback Book) (2025)

Mr. Stubbs's BrotherA Sequel To ... (2025)

Cover for Constance Fenimore Woolson · The Old Stone House (Edition1) (Paperback Book) (2025)

The Old Stone House (Edition1) (2025)

Constance Fenimore Woolson

Cover for Constance Fenimore Woolson · Horace ChaseA Novel (Edition1) (Paperback Book) (2025)

Horace ChaseA Novel (Edition1) (2025)

Constance Fenimore Woolson

Cover for Clarence Hawkes · Black BruinThe Biography Of A Bear (Edition1) (Paperback Book) (2025)

Black BruinThe Biography Of A Be... (2025)

Clarence Hawkes

Cover for Harvey Rice · Nature And Culture (Edition1) (Paperback Book) (2025)

Nature And Culture (Edition1) (2025)

Cover for F W Farrar · Julian Home (Edition1) (Paperback Book) (2025)

Julian Home (Edition1) (2025)

Cover for Emma V Hallett · NatalieOr, A Gem Among The Sea-Weeds (Edition1) (Paperback Book) (2025)

NatalieOr, A Gem Among The Sea-W... (2025)

Cover for Ralph Henry Barbour · Tom, Dick, And Harriet (Edition1) (Paperback Book) (2025)

Tom, Dick, And Harriet (Edition1) (2025)

Ralph Henry Barbour

Cover for Laura Elizabeth Howe Richards · Nautilus (Edition1) (Paperback Book) (2025)

Nautilus (Edition1) (2025)

Laura Elizabeth Howe Richards

Cover for Howard R Garis · Bully And Bawly No-TailThe Jumping Frogs (Edition1) (Paperback Book) (2025)

Bully And Bawly No-TailThe Jumpi... (2025)

Cover for Blanche McManus · NabulOur Little Egyptian Cousin (Edition1) (Paperback Book) (2025)

NabulOur Little Egyptian Cousin ... (2025)

Blanche McManus

Cover for A E Dolbear · The Machinery Of The UniverseMechanical Conceptions Of Physical Phenomena (Edition1) (Paperback Book) (2025)

The Machinery Of The UniverseMec... (2025)

Cover for Charles John Griffiths · A Narrative Of The Siege Of Delhi (Edition1) (Paperback Book) (2025)

A Narrative Of The Siege Of Delh... (2025)

Charles John Griffiths

Cover for Nathaniel Hawthorne · Nathaniel Hawthorne (Edition1) (Paperback Book) (2025)

Nathaniel Hawthorne (Edition1) (2025)

Nathaniel Hawthorne

Cover for Ralph Henry Barbour · Rivals For The TeamA Story Of School Life And Football (Edition1) (Paperback Book) (2025)

Rivals For The TeamA Story Of Sc... (2025)

Ralph Henry Barbour

Cover for Upton Sinclair · The Naturewoman (Edition1) (Paperback Book) (2025)

The Naturewoman (Edition1) (2025)

Cover for Winifred Stephens Whale · Madame Adam (Juliette Lambert) La Grande Francaise From Louis Philippe Until 1917 (Edition1) (Paperback Book) (2025)

Madame Adam (Juliette Lambert) L... (2025)

Winifred Stephens Whale

Cover for Harry Castlemon · Guy Harris, The Runaway (Edition1) (Paperback Book) (2025)

Guy Harris, The Runaway (Edition1) (2025)

Harry Castlemon

Cover for Ralph Henry Barbour · Fourth Down! (Edition1) (Paperback Book) (2025)

Fourth Down! (Edition1) (2025)

Ralph Henry Barbour

Cover for Harry Castlemon · Julian MortimerA Brave Boy’s Struggle For Home And Fortune (Edition1) (Paperback Book) (2025)

Julian MortimerA Brave Boy’s Str... (2025)

Harry Castlemon

Cover for Ralph Henry Barbour · Pud Pringle, Pirate (Edition1) (Paperback Book) (2025)

Pud Pringle, Pirate (Edition1) (2025)

Ralph Henry Barbour

Cover for Frank V Webster · Jack The RunawayOr On the Road with a Circus (Edition1) (Paperback Book) (2025)

Jack The RunawayOr On the Road w... (2025)

Frank V Webster

Cover for Ralph Henry Barbour · Right Tackle Todd (Edition1) (Paperback Book) (2025)

Right Tackle Todd (Edition1) (2025)

Ralph Henry Barbour

Cover for R Henry Mainer · Nancy Mcveigh Of The Monk Road (Edition1) (Paperback Book) (2025)

Nancy Mcveigh Of The Monk Road (... (2025)

Cover for Clarence Young · The Motor Boys In Strange WatersOr Lost In A Floating Forest (Edition1) (Paperback Book) (2025)

The Motor Boys In Strange Waters... (2025)

Cover for John Franklin · Narrative Of A Journey To The Shores Of The Polar SeaIn The Years 1819-20-21-22 Vol. II (Edition1) (Paperback Book) (2025)

Narrative Of A Journey To The Sh... (2025)

Cover for Clarence Young · The Motor Boys Across The PlainsOr The Hermit Of Lost Lake (Edition1) (Paperback Book) (2025)

The Motor Boys Across The Plains... (2025)

Cover for Ralph Henry Barbour · Change SignalsA Story Of The New Football (Edition1) (Paperback Book) (2025)

Change SignalsA Story Of The New... (2025)

Ralph Henry Barbour

Cover for Constance Fenimore Woolson · For The MajorA Novelette (Edition1) (Paperback Book) (2025)

For The MajorA Novelette (Edition1) (2025)

Constance Fenimore Woolson

Cover for Josephine Butler · Native Races And The War (Edition1) (Paperback Book) (2025)

Native Races And The War (Edition1) (2025)

Josephine Butler

Cover for Harry Castlemon · True To His Colors (Edition1) (Paperback Book) (2025)

True To His Colors (Edition1) (2025)

Harry Castlemon

Cover for George Herbert Palmer · The Nature Of Goodness (Edition1) (Paperback Book) (2025)

The Nature Of Goodness (Edition1) (2025)

George Herbert Palmer

Cover for Harry Castlemon · Marcy The Blockade-Runner (Edition1) (Paperback Book) (2025)

Marcy The Blockade-Runner (Editi... (2025)

Harry Castlemon