Utgivere Douglas Cooper Consulting

Cover for Doug J. Cooper · Crystal Deception (Pocketbok) (2013)

Crystal Deception (2013)

Cover for Doug J. Cooper · Crystal Conquest (Pocketbok) (2014)

Crystal Conquest (2014)

Cover for Doug J Cooper · Crystal Rebellion (Pocketbok) (2016)

Crystal Rebellion (2016)

Cover for Doug J Cooper · Crystal Escape (Pocketbok) (2018)

Crystal Escape (2018)

Cover for Doug J. Cooper · Bump Time Origin (Pocketbok) (2019)

Bump Time Origin (2019)

Cover for Doug J Cooper · Bump Time Meridian - Bump Time Trilogy (Pocketbok) (2020)

Bump Time Meridian - Bump Time T... (2020)