Butterflies! 
by the editors of Time for Kids ; with David Bjerklie 
 - 1st ed. 
 - [S.l.]  HarperCollins  2006 
 - 32 p. 
 - Time for kids science scoops. 3, Confident reader .
 - Time for kids science scoops. 3, Confident reader .
<br/><br/><label>ISBN: </label>9780060782139