Uitgevers Cool Gus Publishing

Cover for Bob Mayer · Atlantis Bermuda Triangle (Volume 2) (Paperback Book) (2012)

Atlantis Bermuda Triangle (Volum... (2012)

Cover for Bob Mayer · Atlantis Devil's Sea (Volume 3) (Paperback Book) (2012)

Atlantis Devil's Sea (Volume 3) (2012)

Cover for Bob Mayer · Atlantis Gate (Volume 4) (Paperback Book) (2012)

Atlantis Gate (Volume 4) (2012)

Cover for Bob Mayer · Atlantis (Volume 1) (Paperback Book) (2012)

Atlantis (Volume 1) (2012)

Cover for Bob Mayer · Assault on Atlantis (Paperback Book) (2012)

Assault on Atlantis (2012)

Cover for Bob Mayer · I, Judas the 5th Gospel (Paperback Book) (2012)

I, Judas the 5th Gospel (2012)

Cover for Bob Mayer · Psychic Warrior (Volume 1) (Paperback Book) (2012)

Psychic Warrior (Volume 1) (2012)

Cover for Bob Mayer · Eyes of the Hammer (The Green Berets) (Volume 1) (Paperback Book) (2012)

Eyes of the Hammer (The Green Be... (2012)

Cover for Bob Mayer · Dragon Sim-13 (The Green Berets) (Volume 2) (Paperback Book) (2012)

Dragon Sim-13 (The Green Berets)... (2012)

Cover for Bob Mayer · Synbat (The Green Berets) (Volume 3) (Paperback Book) (2012)

Synbat (The Green Berets) (Volum... (2012)

Cover for Bob Mayer · Cut out (The Green Beret Series) (Volume 4) (Paperback Book) (2012)

Cut out (The Green Beret Series)... (2012)

Cover for Bob Mayer · Eternity Base (The Green Beret Series) (Volume 5) (Paperback Book) (2012)

Eternity Base (The Green Beret S... (2012)

Cover for Bob Mayer · Project Aura (Psychic Warrior) (Volume 2) (Paperback Book) (2013)

Project Aura (Psychic Warrior) (... (2013)

Cover for Jackie Brooks · Paradise Prey (A Tess Titan Mystery) (Volume 1) (Paperback Book) (2013)

Paradise Prey (A Tess Titan Myst... (2013)

Cover for Bob Mayer · Bodyguard of Lies (Paperback Book) (2013)

Bodyguard of Lies (2013)

Cover for Bob Mayer · Lost girls (Book) (2013)

Lost girls (2013)

Cover for Bob Mayer · Chasing the Lost (The Green Beret Series) (Paperback Book) (2013)

Chasing the Lost (The Green Bere... (2013)

Cover for Bob Mayer · The Kennedy Endeavor (Presidential Series) (Volume 2) (Paperback Book) (2013)

The Kennedy Endeavor (Presidenti... (2013)

Cover for Bob Mayer · Area 51 (Volume 1) (Paperback Book) (2014)

Area 51 (Volume 1) (2014)

Cover for Bob Mayer · Area 51 the Reply (Volume 2) (Paperback Book) (2014)

Area 51 the Reply (Volume 2) (2014)

Cover for Bob Mayer · Area 51 the Mission (Volume 3) (Paperback Book) (2014)

Area 51 the Mission (Volume 3) (2014)

Cover for Bob Mayer · Area 51 the Sphinx (Volume 4) (Paperback Book) (2014)

Area 51 the Sphinx (Volume 4) (2014)

Cover for Bob Mayer · Area 51 the Grail (Volume 5) (Paperback Book) (2014)

Area 51 the Grail (Volume 5) (2014)

Cover for Bob Mayer · Area 51 Excalibur (Volume 6) (Paperback Book) (2014)

Area 51 Excalibur (Volume 6) (2014)

Cover for Bob Mayer · Area 51 Nosferatu (Volume 8) (Paperback Book) (2014)

Area 51 Nosferatu (Volume 8) (2014)

Cover for Bob Mayer · Burners (Paperback Book) (2015)

Cover for Sam Horn · Never Be Bullied Again: Prevent Haters, Trolls and Toxic People from Poisoning Your Life (Paperback Book) (2015)

Never Be Bullied Again: Prevent ... (2015)

Cover for Bob Mayer · Prime (Paperback Book) (2015)

Cover for Bob Mayer · Ides of March (Time Patrol) (Volume 1) (Paperback Book) (2016)

Ides of March (Time Patrol) (Vol... (2016)

Cover for Bob Mayer · D-Day (Paperback Book) (2016)

Cover for Bob Mayer · Independence Day (Paperback Book) (2016)

Independence Day (2016)

Cover for Bob Mayer · Nine Eleven (Paperback Book) (2016)

Nine Eleven (2016)

Cover for Bob Mayer · The Fifth Floor (Paperback Book) (2016)

The Fifth Floor (2016)

Cover for Bob Mayer · Z (Paperback Book) (2014)

Cover for Bob Mayer · Omega Missile (Paperback Book) (2011)

Omega Missile (2011)

Cover for Bob Mayer · Valentines Day: Time Patrol (Volume 8) (Book) (2017)

Valentines Day: Time Patrol (Vol... (2017)

Cover for Robert Mayer · Hallows Eve (Paperback Book) (2017)

Hallows Eve (2017)

Cover for Bob Mayer · Area 51 (Paperback Book) (2018)

Cover for Bob Mayer · Battle for Atlantis - Atlantis (Paperback Book) (2010)

Battle for Atlantis - Atlantis (2010)

Cover for Bob Mayer · Chasing the Ghost (Volume 1) (Paperback Book) (2012)

Chasing the Ghost (Volume 1) (2012)

Cover for Bob Mayer · The Novel Writer's Toolkit - For Writers (Paperback Book) (2013)

The Novel Writer's Toolkit - For... (2013)

Cover for Bob Mayer · The Rock (Paperback Book) (2012)

The Rock (2012)

Cover for Bob Mayer · Duty, Honor, Country a Novel of West Point and the Civil War (Paperback Book) (2013)

Duty, Honor, Country a Novel of ... (2013)

Cover for Bob Mayer · Write It Forward - For Writers (Paperback Book) [2nd edition] (2013)

Write It Forward - For Writers (2013)

Cover for Bob Mayer · The Jefferson Allegiance (Presidential Series) (Volume 1) (Paperback Book) (2013)

The Jefferson Allegiance (Presid... (2013)