Heartbeat is a seperate novel that is not attached to any other of my books. Storyline of the book is below.
In the year 3145, almost all of all the continents have flooded over due to Global Warming. Animals annually gather to assign themselves jobs to kill the humans whom are the cause of Global Warming. The animals who gather are bears, mountain lions, wolves, rhinos, antelope, birds, and tigers. This story focuses on the small pack of three wolves, Noon, Sky, and Cipher, who are to kill the humans who live in the remains of Canada. Their leader is a seperate wolf who is also half dog, Tanya. The story is what the wolves go through on their journey to ultimate control of human society.