The Puzzlers book / from the editors of OWL magazine ; edited by Elizabeth MacLeod ; illustrated by Gary Clement. - Toronto : Greey de Pencier Books, 1990. - 48 p. : ill. ; 23 cm.

On cover: A green world book, explore and enjoy your environment.

ISBN: 0920775489 : $7.95

Subjects--Topical Terms:
Ecology--Miscellanea.
Environmental protection--Citizen participation.
Scientific recreations.
Puzzles.

Dewey Class. No.: j574.5