Introduced in This Dog for Hire by Carol Lee Benjamin, Greenwich Village P. I. Rachel Alexander and her pit bull Dash (short for Dashiell) combine attitude and compassion to solve a series of mysteries.  First in a series.

 

Single mother Melanie Travis is bitten by the dog show bug and acquires her show quality Standard poodle in Underdog by Laurien Berenson.  If only they could stop stumbling over dead bodies, their training would go much smoother. Part of a series

 

In Bluetick Revenge by Mark Cohen, Colorado P.I. Pepper Keane lives to regret agreeing to help someone in the Witness Protection Program steal a prized pup from the cruel leader of a motorcycle gang. Part of a series.

 

Holly Winter, a write for Dog Lover’s Magazine made her debut in Susan Conant’s A New Leash on Death where she and her two adopted Alaskan malumutes Rowdy and Kimi are on the trail of a dog show killer.  First in a series.

 

For Alaskan musher Jessie Arnold, her team of sled dogs are more than just pets.   In Sue Henry’s Deadfall, Jessie and her lead dog Tank flee to a remote island in attempt to evade a lethal stalker. Part of a series.

 

Virginia Lanier introduced Jo Beth and her tracker team of search and rescue bloodhounds in Death in Bloodhound Red.  Jo finds herself on the other side of the law when she is accused of attempted murder. First in a series.

 

 Part wolf, Mutt is Aleut Kate Shugak’s constant companion and best friend in the wilds of Alaska.  In Dana Stabenow’s A Cold Day for Murder, Kate and Mutt investigate the disappearance of a young gung ho National Park Ranger. First in a series.