Elting,Mary <br/><br/>
The Answer Book Front 

 - New York:  Grosset and dunlap,  1959. 
 - 150p.;  col ill.  28cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knowledge, computer science, library and information sciences, science, technology
<br/><br/><label>Dewey Class. No.: </label>372.3  / ELT