Shasha, Dennis Elliott <br/><br/>
The puzzling adventures of Dr. Ecco 
Dennis Shasha 
 - Mineola, NY  Dover Publications  1998 
 - x, 181 p. : ill. ; 22 cm 
<br/><br/><label>ISBN: </label>9780486296159 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations
<br/><br/><label>Dewey Class. No.: </label>793.74 SHA