"With her parents off traveling the globe, Lenora is bored, bored, bored -- until she discovers a secret doorway into the ultimate library. Mazelike and reality-bending, the library contains all the universe's wisdom. Every book ever written, and every fact ever known, can be found within its walls. And Lenora becomes its newly appointed Fourth Assistant Apprentice Librarian. She rockets to the stars, travels to a future filled with robots, and faces...

Follows the adventures of a young boy and his neighbor friend as they travel through a computer portal into outer space, where they explore such mysteries as black holes and the origins of the universe, while trying to evade an evil scientist.