In Agatha Christie’s “Third Girl,” Norma Restarick fears she’s a murderer, but can’t remember the crime. Seeking help from private investigator Hercule Poirot, Norma’s hazy memories and unusual living situation intertwine with a complex web of suspects and secrets. Can Poirot uncover the truth before another tragedy strikes? Unravel the mystery in this thrilling suspense novel. ISBN: 9780008129606