Dublin, Peter. <br/><br/>
Elementary science / 

 - New York :  HarperCollins College Publishers,  c1994. 
 - 176 p. :  ill. ;  24 cm. +  1 computer disk (3 1/2 in.). 
<br/><br/> System requirements for computer disk: IBM-compatible PC; 640K RAM; DOS 3.3 or later; Epson, IBM/ProPrinter, HP LaserJet or compatible printer. 
<br/><br/><label>ISBN: </label>0065016742 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science<br/>Science
<br/><br/><label>Dewey Class. No.: </label>372 HAR 1994 A021 Or.