Penrose, Gordon,  1925- <br/><br/>
Dr. Zed's sensational science activities /  [book] 

 - Toronto :  Greey de Pencier Books,  1990. 
 - 48 p. :  col. ill. ;  28 cm. 
<br/><br/> Inlcudes index. 
<br/><br/><label>ISBN: </label>0920775535 :  $9.95 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>900936622   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science.<br/>Scientific recreations.<br/>Science.<br/>Jeux scientifiques
<br/><br/><label>Dewey Class. No.: </label>507.8 PEN