Sachar, Louis,  1954- <br/><br/>
Sideways arithmetic from Wayside School  
Louis Sachar 
 - New York, NY :  Scholastic,  c1989 
 - 89 p. :  ill. ;  20 cm 
<br/><br/> "An Apple paperback." 
<br/><br/><label>ISBN: </label>0590457268 (pbk.) :  $5.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations