From the back cover:
"In the thirties and forties a new breed of comic book hit the stands - spiffy miniature hardcover editions known as Big Little Books. Now valuable collector's items, Big Little Books are prized for their impeccable design and classic illustrations. The Big Book of Big Little Books features page after page of jacket art and illustrations from rare Big Little Books, and traces the history of their most sensational stars, including Buck Rogers, Dick Tracy, Betty Boop, Alley Oop, and Mickey Mouse. Covering all the genres, from detective stories to science fiction, The Big Book of Big Little Books is a special treat for artists, designers, nostalgia buffs, and all who admire vintage comics."