Childcraft  the how and why library. 

 - Chicago  World Book-Childcraft International, 1966 
 - 15 v.  ill. (some col.)  26 cm. 
<br/><br/> Includes indexes. 
<br/><br/>v. 1. Poems and rhymes -- v. 2. Stories and fables -- v. 3. World and space -- v. 4. Life around us -- v. 5. Holidays and customs -- v. 6. How thinkgs change -- v. 7. How we get things -- v. 8. How things work -- v. 9. Make and do -- v. 10. What people do -- v. 11. Scientists and inventors. -- v. 1 Pioneers and patriots. --v. 13. People to know. --v.14. Places to know. -- v. 15. Guie and index. 
<br/><br/><label>ISBN: </label>0716601826 
<br/><br/><label>LCCN: </label>81070893 /AC 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encylopedias and dictionaries.
<br/><br/><label>LC Class. No.: </label>AG6  / .C48 1966 
<br/><br/><label>Dewey Class. No.: </label>031