The 500 Hats Of Bartholomew Cubbins was the second book by Dr Seuss, 1938. It is collectible also because the style of illustration has not yet developed into Seuss’ whimsical imaginative style quite yet. There are several qualities but not the full on playfulness. It will be a treasured by a Seuss collector and lovely to share fond memories around. See photos for condition. Please ask any questions. The book was from a math teacher who taught private school.