Carbon pencil, India ink wash and white gouache painting on illustration board, signed by Seuss.

First edition of Seuss's second book, a HORNBOOK review copy with their name stamped on the front endpaper.

First edition, first issue of this early Seuss title, a beautiful copy directly from the stock of Aleph-Bet Books, the firm of Seuss bibliographers Helen Younger and Marc Younger.

First printing of this rhythmic counting reader, one of the hardest to find Seuss books in the first edition.

First printing of Seuss's first "adult" book, an exceptionally beautiful copy that came directly from the stock of Aleph-Bet Books, the firm of Seuss bibliographers Helen Younger and Marc Younger.

First edition, first printing, cheerfully illustrated story of a boy's desire to become a Which-What-Who, this copy directly from the stock of Aleph-Bet Books, the firm of Seuss bibliographers Helen Younger and Marc Younger.

Inscribed first softcover edition of this rhyming tale of a young creature who learns the grass is not always greener on the other side.

First edition of this vibrant advertising picture puzzle for motor oil ESSOLUBE, with fantastic creatures dreamed up by the one and only Dr. Seuss – complete, unbroken, and in original envelope.

First edition, first printing of this Seuss tale of being thankful for what you have.

Elusive first edition, first printing of the classic picture book praising feats of imagination, with a title Seuss would riff upon in his last published book – its natural companion OH, THE PLACES YOU'LL GO.

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 book of questions strange and practical, illustrated with Dr. Seuss's signature silliness.

First edition, first printing of this very special ABC book, in which Dr. Seuss takes us beyond the last letter of the alphabet.