First edition of this moral tale in the shape of its titular character, with illustrations by noted Philadelphia chromolithographer Ferdinand Moras.

First edition, first printing of this book of questions strange and practical, illustrated with Dr. Seuss's signature silliness.

First edition, first printing of this tale of the winding journeys that life may take you on, complimented by Dr. Seuss's fanciful illustrations.

First edition, first printing of this humorous story of a boy who follows a variety of Hunches.

First edition, first printing of this delightful book of shapes, full of fanciful silhouettes and bold colors.

First edition, first printing of this sequel to THE CAT IN THE HAT, in which the chaotic feline returns with numerous hatted helpers.

First edition, first printing of this colorful journey through the many types of houses around the world, as introduced by the children who live in them.

First edition, first printing of this extremely relatable Dr. Seuss story of a boy who refuses to get out of bed.

First edition, first printing of this Dr. Seuss take on the butterfly effect — the only title which Theodore Geisel wrote under the "Rosetta Stone" pen name.