Uitgevers GLS Press

Cover for G L Schulze · The Secret of the Skeleton Key (Paperback Book) (2018)

The Secret of the Skeleton Key (2018)

Cover for G. L. Schulze · The Ring and The Box : A Sherlock Holmes Mystery of Ancient Egypt (Paperback Book) (2018)

The Ring and The Box : A Sherloc... (2018)

Cover for G. L. Schulze · The Top Secret Secret of Teddy Rigetta: the Young Detectives' Mystery (Volume 2) (Paperback Book) (2014)

The Top Secret Secret of Teddy R... (2014)

Cover for G L Schulze · The Hidden Secret of Towering Pines Manor: Theyoung Detectives' Mystery - Book Three (Paperback Book) (2015)

The Hidden Secret of Towering Pi... (2015)

Cover for G L Schulze · The Secret of the Sacred Mountain (Paperback Book) (2016)

The Secret of the Sacred Mountain (2016)

Cover for Gray Manor: Sherlock Holmes (Paperback Book) (2017)

Gray Manor: Sherlock Holmes (2017)

Cover for G L Schulze · The Secret at the Bottom of Emerson's Cove (Paperback Book) (2017)

The Secret at the Bottom of Emer... (2017)