A local scientist misses his son's birthday party and turns up dead in Lake Superior. A radical environmental group blames a mysterious lab for the dead fish found in a remote stream. Then an Alzheimer's patient goes missing and his home is ransacked.

Into the Deep is third in the acclaimed romantic suspense series from best-selling author Colleen Coble. Set in the untamed beauty of Michigan's Upper Peninsula, The Rock Harbor novels deftly pull readers into the life and operation of a canine search-and-rescue team as it helps unravel the screts of an enchanting wilderness.