Trade Your Cares for Calm by Max Lucado.
Do you want to overcome your anxiety? Do you want to be free from the worries that weigh you down? If you're trembling on a tightrope of fear and worry, get ready for the best trade ever: your cares for God's calm. That's God's offer.
6-3/4"L x 6"W x 3/4"D, Hardcover, 196 pages, published by Thomas Nelson