In the 5th installment of Susan Conant's A Dog Lover's Mystery series, Bloodlines, Holly Winter returned to save dogs for another day in this mystery. When Holly received a tip about Puppy Luv, a small pet shop being an outlet for a puppy mill, she had a bone to pick with Diane Sweet and want to put her out of business, when it dealt with a Malamute pup. Hours later, Diane Sweet was found murdered. It was now up to Holly to link her death with the disappearance of a Malamute pup, when she dug up evidence that lead her to the underground dark world of dog breeding. Only Holly's instincts can save her, when it was something she feared the most.