George, whose parents shun all technology (even light bulbs!) is thrilled to find that his new neighbors, Eric and his daughter,
Annie, have the world''s most advanced computer. Known as Cosmos, it can open doorways to space and other
planets. But George''s sinister teacher seems to have an unusual interest in finding out more.
Interspersed with the story are nonfiction sections with information about -- and photographs of -- planets, stars, and other celestial objects, including the author''s latest theories about black holes.