9x6, glossy pictorial boards. First Edition, First Printing.

Charming inscription from Dr. Seuss on verso of front free endpaper which reads, "For Jed Mattes. With thanks for his help in my reading, righting, and rithmatic. and, most especially, the latter. Dr. Seuss." Complete number sequence from 1-0 on copyright. Younger & Hirsch 39.