GVRL science ebooks with target audience Children's, Children's--Upper elementary, or Children's--Lower elementary.
Available in some locations
And Other Creatures of the Deep
Website or Online Data - 2012
Build and Launch 35 Rockets, Gliders, Helicopters, Boomerangs, and More
From Zombie Ants to Vampire Bats, 251 Cool Facts About Vomit, Regurgitation, & More!