September and Shadow Thrillers Trilogy

The first 3 books of Shojai's dark, female-driven domestic thriller series featuring pet-centric plots.
LOST AND FOUND, BOOK 1:
A young woman races a Texas blizzard to save her autistic nephew from a deadly secret others will kill to protect--and the service dog she's trained finds his true purpose, when he disobeys.
Animal behaviorist September Day has lost everything--husband murdered, career in ruins, confidence shot--and returns home with her trained Maine Coon cat Macy to Texas to recover. She's forced out of hibernation when her nephew Steven and his autism service dog Shadow disappear in a freak blizzard. 
HIDE AND SEEK, BOOK 2:
A mysterious contagion will shatter countless lives unless a service dog and his trainer find a missing cat . . . in 24 hours.
A STALKER hides in plain sight.
A VICTIM faces her worst fear.
AND A DOG seeks the missing--and finds hope.
HIDE AND SEEK continues the story begun in LOST AND FOUND. September must solve an epidemic of Alzheimer's-like symptoms, evade a relentless sadist from her past, and protect her chosen family from the killer. September has only 24 hours to uncover the truth about Macy's mysterious illness or pay the deadly consequences. When September learns to trust again, and a good-dog takes a chance on love, together they find hope in the midst of despair--and discover what family really means.
SHOW AND TELL, BOOK 3:
An animal behaviorist and her service dog race a deadly storm to expose a treacherous secret others will kill to protect.
A BLACKMAILER returns to sell a deadly cure.
A MOTHER'S DENIAL dooms millions of children.
AND A DOG shows true loyalty...when he runs away.
With her stalker finally caught, animal behaviorist September Day's PTSD has abated and she's begun to trust again. She dares to hope Detective Jeff Combs might become more than a friend, until his investigation into a dogfighting ring leaves her reeling.When a desperate mom demands help, and Combs's son disappears with his dog, September and Shadow must find the children before a devastating storm hits. But the children have a secret plan of their own. Only when September shows true courage, and a good-dog tells the truth, can they find their way home again.