Look! : : the ultimate spot-the-difference book / [electronic resource] / illustrated by April Wilson ; nature notes by A.J. Wood.. — New York : : Trumpet Club,, 1992, c1990.. — [31] p. : : col. ill. ; 26 cm. "A Trumpet Club special edition." ISBN: 0440848520 (pbk.) 9780440848523 (pbk.) Subjects--Topical Terms: Visual perception--Juvenile literature.Optical illusions--Juvenile literature.Camouflage (Biology)--Juvenile literature. LC Class. No.: BF241 / .L66 1990