Sobol, Donald J., <br/><br/>
Two-minute mysteries collection 
 2 minute mysteries collection 

 - New York :  Scholastic,  2004, c1975. 
 - 422 p. ; 
<br/><br/> Compilation of three previously published books. 
<br/><br/> Quick mysteries are presented for the reader to solve, with solutions printed upside down at end of each mystery. 
<br/><br/><label>ISBN: </label>043964383X (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Short stories.
<br/><br/><label>Dewey Class. No.: </label>808.3