Scieszka,Jon <br/><br/>
Your Mother Was a Neanderthal / 
illustrated by Lana Smith. 
 - New York :  Puffin books,  1995. 
 - 78 p ;  19 cm. 
 - The time warp trio .
<br/><br/><label>ISBN: </label>0-14-036372-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time travel--Fiction<br/>Man, Prehistoric--Fiction<br/>Humorous stories