Ark

From Author Wars - https://authorwars.com/publications/ark-347117.html

Overview:

Title: Ark
Author: Stephen Baxter
Year: 2011
ISBN-10: 9780451463593
Publisher: Roc / New American Library
Price: $7.99
Pages: 530
Binding: Paperback
Type: Novel
Title Reference: Ark
Notes: First ROC Mass Market Printing, May 2011
Full number line
Artist is not identified, but work looks like that of Larry Rostant, who did the cover for ROC's printing of "Flood"