Osborne, Mary Pope. <br/><br/>
Summer of the sea serpent 
Mary Pope Osborne 
 - 1st ed. 
 - [S.l.]  Random House  2004 
 - 111 p. 
 - Osborne, Mary Pope. Magic tree house series .
 - Osborne, Mary Pope. Magic tree house series .
<br/><br/><label>ISBN: </label>9780545382663