Hildick, E. W.  1925- <br/><br/>
The case of the phantom frog / 
by E. W. Hildick ; illustrated by Lisl Weil. 
 - New York :  Macmillan,  c1979. 
 - 121 p. :  ill. ;  22 cm. 
 - A McGurk mystery. .
<br/><br/> The McGurk detectives go undercover to unmask the demon behind a phantom "werefrog" and expose a "supernatural" hoax. 
<br/><br/><label>ISBN: </label>0027438406 
<br/><br/><label>LCCN: </label>78-10836AC 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery and detective stories.<br/>Detective and mystery stories.
<br/><br/><label>Dewey Class. No.: </label>[Fic]