An upcoming auction in New York on June 5 has an incredible selection of original book cover art -- eleven by my count, an unusually large number to be offered at once, and a few superlative pieces

Ephemera & Memorabilia Dealer
Highest quality digital restorations of first edition dust-jackets and art prints (more)
Book Dealer: Children's Books
(212) 751-0011
Whatever your interests—literary classics, landmarks in the history of ideas, (more)
Book Dealer: Antiquarian & Rare
(303) 480-0220
Open every day. Large selection of new and used eclectic material.