Dòng Nội dung
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Bruce Coville s Is your teacher an alien? / with Lisa Meltzer and Larissa Harris ; illustrated by John Pierard.
New York : Pocket Books, 1997.
vii, 119 p. : ill. ; 19 cm.

Readers can work their way through puzzles, mazes, secret codes, riddles, and clues to determine whether their own teacher is an alien.