Gilly Macmillan is the internationally bestselling author of WHAT SHE KNEW, THE PERFECT GIRL, ODD CHILD OUT, I KNOW YOU KNOW, THE NANNY, TO TELL YOU THE TRUTH, THE LONG WEEKEND and THE MANOR HOUSE.

A former art historian and photographer, Gilly studied at Bristol University and the Courtauld Institute of Art in London. She lives in Bristol, UK, with her husband and three children.

Her first novel, WHAT SHE KNEW, was a Target pick, a LibraryReads pick, an Indie Next pick, an Edgar award nominee, and an International Thriller Writers award finalist. THE NANNY is a Spring 2020 Richard & Judy WHSmith Book Club pick.

Gilly’s novels have appeared on the New York Times, Sunday Times, Globe & Mail and Der Spiegel bestseller lists and have been translated into over 20 languages. She’s been described as "one heck of a good writer" (Wall Street Journal) and her novels have been praised as "nuanced, completely addictive" (People), "riveting" (Publishers Weekly), and "visceral, emotionally charged…heart-wrenchingly well told" (The Daily Mail).

Books by Gilly Macmillan

Odd Child Out

by Gilly Macmillan - Fiction, Mystery, Psychological Suspense, Psychological Thriller, Suspense, Thriller

Best friends Noah Sadler and Abdi Mahad have always been inseparable. But when Noah is found floating unconscious in Bristol's Feeder Canal, Abdi can't --- or won't --- tell anyone what happened. Detective Jim Clemo is assigned to look into this unfortunate accident. But tragedy strikes, and what looked like the simple case of a prank gone wrong soon ignites into a public battle.

The Perfect Girl

by Gilly Macmillan - Fiction, Psychological Suspense, Psychological Thriller, Suspense, Thriller

From Gilly Macmillan, the international bestselling author of the Edgar Award-nominated WHAT SHE KNEW, comes a sharp, gripping, whip-smart second novel about the secrets that unravel us.