by Wilkes, Angela.

[ 01. English Non Fiction ] Authors: Delf, Brian. Published by : Stoddart, (Toronto :) Physical details: 48 p. : col. ill. ; 34 cm. Subject(s): Science --Experiments --Juvenile literature. | Sciences --Expériences --Ouvrages pour la jeunesse. | Science-Experiments Year : 1990 Item type : 01. English Non Fiction