"Love, loyalty, and a supremely smart service dog make TRICK OR TREAT a definite treat for thriller readers. Come for the wonderful Shadow and be drawn in by a can't-miss plot that plays all the tricks." – Clea Simon, author of The Cat's Eye Charm, a Witch Cats of Cambridge cozy mystery A costumed killer. A dog trainer with a knack for catching bad guys. Can she unmask the truth before her loved ones pay the price?September Day has hit her limit. Recovering from the shock of learning her birth parents' identity, the self-doubting PTSD survivor strives to focus on her fiancé, his children, and upcoming Halloween festivities. But when her best friend's cat runs off into a pumpkin patch, the thirty-year-old animal behaviorist and her four-pawed companion give chase … only to discover a dead body.Unwilling to abandon the traumatized boy she spots fleeing the scene, September tries to protect her mental health by turning the witness over to the police. But when law enforcement discovers another victim, the emotionally scarred adoptee is horrified to learn her bestie is the primary suspect and her own dark bloodline might be involved.When lies disguise facts, can September and her German Shepherd service dog Shadow expose the murderer's ultimate goal?Enjoy reading Trick Or Treat to unwrap justice today! The September Day & Shadow thriller series follows pet behaviorist/trainer September and her PTSD service dog Shadow. September's horrific past has created trust issues she struggles to overcome. She finds solace in championing the innocent when, time after time, trouble finds her. As the past continues to haunt September, her partnership with Shadow strengthens, and heals hidden wounds. The dynamic between these two characters, the unique pet-centric plots, and the German Shepherd's occasional viewpoint chapters offer a unique and compelling perspective readers adore. Shojai's a certified animal behavior consultant and an award-winning nonfiction pet book author, and her understanding of pets makes these thrillers compellingly readable.