About Royden Lepp Books by Royden Lepp Jurassic Jeff: Race to Warp Speed (Jurassic Jeff Book 2) (A Graphic Novel) by (author) Royden Lepp Ages 7 to 10 Grades 2 to 5 Jurassic Jeff: Space Invader (Jurassic Jeff Book 1) (A Graphic Novel) by (author) Royden Lepp Ages 7 to 10 Grades 2 to 5
