DAVID C COOK AUTHOR KARA TIPPETTS WINS 2015 CHRISTIAN BOOK AWARD® FOR “THE HARDEST PEACE”  Lisa Beech, Senior Publicity Manager 719-536-0100 X 3022, lisa.beech@davidccook.com Colorado Springs, CO (May 11, 2015) – David C Cook is honored to announce that Kara Tippetts, The Hardest Peace: Expecting Grace in the Midst of Life’s Hard, was the winner of the 2015 Christian Book Award® in the inspiration category. The awards are given by the Evangelical Publishers Association (ECPA) and were announced on Tuesday evening May 5,…