DiCamillo, Kate. <br/><br/>
Mercy Watson fights crime 
Kate DiCamillo 
 - 1st pbk. ed. 
 - [S.l.]  Candlewick Press  2010 
 - 70 p. 
 - DiCamillo, Kate. Mercy Watson .
 - DiCamillo, Kate. Mercy Watson .
<br/><br/><label>ISBN: </label>9780329856212 (Follett bdg.) 9780763649524 (pbk.)