Letters from the Earth

From Author Wars - https://authorwars.com/publications/letters-from-the-earth-294388.html

Overview:

Title: Letters from the Earth
Author: Mark Twain
Year: 1963
Publisher: Crest Books / Fawcett World Library
Price: $0.60
Pages: viii+240
Binding: Paperback
Type: Collection
Title Reference: The Great Dark
Notes:
1st Crest printing The artist is not credited, the artwork is signed but not recognized