Grand Central Publishing Preston & Child Sweepstakes
https://www.grandcentralpublishing.com/sweepstakes/win-a-bundle-of-bestselling-thrillers-by-preston-child/
Fifteen (15) lucky entrants will (1) paperback edition each of Old Bones, White Fire, Crimson Shore, Blue Labyrinth, The Obsidian Chamber, City of Endless Night, Verses for the Dead, & Crooked River by Douglas Preston & Lincoln Child!