Hancock, Judith M. <br/><br/>
Variety of life  a biology teacher's sourcebook / 
Judith M. Hancock. 
 - Portland, Maine :  J. Weston Walch,  1987. 
 - 154 p. :  ill. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Study and teaching.