First edition of this landmark US pop-up book in the early days of the Walt Disney Company, issued by the publisher who first trademarked the term "pop-up."

Major early Disney pop-up, part of the pioneering Blue Ribbon movable book project that gave pop-ups their official name.

Rare pop-up book of the Silly Symphonies short "Mickey's Polo Team" — never published in the US — in which the Disney characters play against Charlie Chaplin, Laurel & Hardy, and Harpo Marx, while Clark Gable and Mae West look on.