One Million Things
Dk Pub
Dictionary of Physics, Chemistry, Biology, Mathematics
Karen Scott
A Beginner's Guide to Mathematical Logic
Raymond M. Smullyan
Duelling Idiots and Other Probability Puzzlers
Paul J. Nahin
Princeton Puzzlers (1)
Selected Poems
William Wordsworth
Scholastic Dictionary of Synonyms, Antonyms, and Homonyms
Scholastic Inc.