Lees, Kevin. <br/><br/>
Sleuth :  a teaching resource of stimulating maths investigations / 
Kevin Lees. 
 - Melbourne :  Dellasta,  1988. 
 - viii, 80 p. 
<br/><br/><label>LCCN: </label>55052081 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary).