Title: Explorer, Destination Brain, Author: Seth McEvoy
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Title: Explorer, Escape From Jupiter, Author: Seth McEvoy
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Title: Be An Interplanetary Spy: The Red Rocket, Author: Seth McEvoy
Title: Be An Interplanetary Spy: The Galactic Pirate, Author: Seth McEvoy
Title: Be An Interplanetary Spy: Monster of Doorna, Author: Seth McEvoy
Title: Be An Interplanetary Spy: Planet Hunters, Author: Seth McEvoy