Dune

From Author Wars - https://authorwars.com/publications/dune-264109.html

Overview:

Title: Dune
Author: Frank Herbert
Year: Unknown
Publisher: Ace Books
Price: $2.25
Pages: 541
Binding: Paperback
Type: Novel
Title Reference: Dune
Notes: Copyright page says cover artist is John Schoenherr, but clearly isn't, it is signed with Don Ivan Punchatz's "dp" signature. Note contents page list map on page 542, but page is unnumbered.