Heat Stroke

From Author Wars - https://authorwars.com/publications/heat-stroke-290870.html

Overview:

Title: Heat Stroke
Author: Rachel Caine
Year: Unknown
ISBN-10: 0451459849
Publisher: Roc / New American Library
Price: $7.99
Pages: 336
Binding: Paperback
Type: Novel
Title Reference: Heat Stroke
Notes: Ninth printing (per number line) of 2004 Roc edition.
Heart and Mind (excerpt) is apparently all but the last verse.
Has a one page summary of the series before the story. Epilogue has a playlist of what songs the author listened to while writing.