Henkes, Kevin. <br/><br/>
Penny and her marble 
Kevin Henkes 
 - 1st ed. 
 - [S.l.]  Greenwillow Books  2013 
 - 48 p. 
<br/><br/><label>ISBN: </label>9780062082053 (pbk.) 9781489804723 (Follett bdg.)