Published by Joint Apprentice Text, Incorporated, 1952
Seller: Table of Contents, Omaha, NE, U.S.A.
Soft cover. Condition: Good. Wire binding with black, pliable, plastic covers. Light wear to cover edges/corners. Prev. owner's name label on half-title page. Occasional ink marks and finger smudges in the text. This is the Answer Book to the 78-volume set. Always fewer answer books than sets of the books. (Think school readers vs. the teacher's edition.) 125 pages.