Heartland Series Book 4: On the EdgeDIA Agent Kendra Allen is a lady with a secret, a devastating secret that has shaped the course of her life. She is also wanted by desperate, unseen agents who will stop at nothing to bring her down because she has something they want something she doesn't even know she has. To buy time and 'disappear' for awhile, she has joined an Extreme Expedition, one that is supposed to test her courage, strength, and instinct for survival. But ex Special Forces