Better Little Books
The Big Little Books (later Better Little Books) was a series of small, compact hardcover books published by Whitman Publishing Company between 1932 and 1960.
A Big Little Book was typically 3⅝″ wide and 4½″ high, with 212 to 432 pages making an approximate thickness of 1½″. The interior book design usually displayed full-page black-and-white illustrations on the right side, facing the pages of text on the left. Stories were often related to radio programs, comic strips, children's books, novels and movies. Later books of the series had interior color illustrations.
The Phantom appeared in 6 issues in total.