Uitgevers Ridge House Publishing

Cover for Doug Dahlgren · The Son Silas Rising (Paperback Book) (2010)

The Son Silas Rising (2010)

Cover for Doug Dahlgren · The Only Constant (Paperback Book) (2011)

The Only Constant (2011)

Cover for Doug Dahlgren · The Basics of Fundamentals (Paperback Book) (2011)

The Basics of Fundamentals (2011)

Cover for Doug Dahlgren · The Four Samaritans (Paperback Book) (2012)

The Four Samaritans (2012)

Cover for Doug Dahlgren · The Daedalus Directive (Paperback Book) (2013)

The Daedalus Directive (2013)