Keller, Charles <br/><br/>
Best knock-knock book ever 
Charles Keller ; illustrated by Jeff Sinclair 
 - New York  Sterling publishers Privated Limited  c2000 
 - 96 p. : ill. ; 22 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780806965291 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Jokes<br/>Knock-knock jokes
<br/><br/><label>Dewey Class. No.: </label>398.8 KEL