Sobol, Donald J. <br/><br/>
Encyclopedia Brown and the case of the exploding plumbing and other mysteries 

 -  Scholastic, Inc.  1974 
 - 73 p. 
<br/><br/> Paperback 
<br/><br/>illus by Leonard Shortall  NOTE:  Hardcover title "Encyclopedia Brown lends a hand" 
<br/><br/><label>ISBN: </label>0590014129