Albert Hopper, Science Hero Series

2 primary works • 2 total works

Book 1

Albert Hopper, Science Hero

Albert Hopper, Science Hero John Himmelman

3.6 avg. rating · 65 Ratings

Book 2

Albert Hopper, Science Hero: Blasting Through the Solar System! (Albert Hopper, Science Hero, 2)

Albert Hopper, Science Hero: Blasting Through the Solar System! (Albert Hopper, Science Hero, 2) John Himmelman

4.07 avg. rating · 15 Ratings