Quark/1

From Author Wars - https://authorwars.com/publications/quark1-27079.html

Overview:

Title: Quark/1
Author: Marilyn Hacker, Samuel R. Delany
Year: 1970
Publisher: Paperback Library
Price: $1.25
Pages: 239
Binding: Paperback
Type: Anthology
Title Reference: Quark/1
Notes:
• "First Printing: November, 1970". No number line. • The cover is not specifically credited, but all 12 of the "Ancillary Animations" starting on page 139 have the same 'signature'/symbol as the back cover (the artwork is continuous from front to back).