Cernak, Linda. <br/><br/>
Helping Dogs / 
by Linda Cernak. 
 - Florida :  Harcourt,  2005. 
 - 16 p. :  ill., col ;  20 cm. 
 - Science Leveled Library .
 - Science Leveled Library .
<br/><br/> Grade 3. 
<br/><br/><label>ISBN: </label>0153231076 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dogs--Juvenile Literature.