Extremis

From Author Wars - https://authorwars.com/publications/extremis-376548.html

Overview:

Title: Extremis
Author: Steve White, Charles E. Gannon
Year: 2012
ISBN-10: 9781451638141
Publisher: Baen Books
Price: $7.99
Pages: 872
Binding: Paperback
Type: Novel
Title Reference: Extremis
Notes: "First Baen paperback printing, May 2012"
"Cover art by David Seeley"
"Warpline chart by Randy Asplund"
No number line used
Canadian price C$9.99
Cover credit on hardcover dust jacket flap indicates Kurt Miller, and copyright page indicates Dave Seeley. Seeley's official site shows this cover here.