0:57 Greystone Secrets #1: The Strangers 🤭🔎 | Official Book Trailer 2:15 MARGARET PETERSON HADDIX INTRODUCES GREYSTONE SECRETS #1: THE STRANGERS 0:30 Greystone Secrets #2: The Deceivers Book Trailer | Margaret Peterson Haddix 7:57 Cracking the Codes of Greystone Secrets! | Margaret Peterson Haddix 0:51 Greystone Secrets #1: The Strangers by Margaret Petersen Haddix 7:10 Intro to the Greystone Secrets series 1:22 Greystone Secrets The Strangers by Margaret Peterson Haddix 0:31 Greystone Secrets #3: The Messengers Book Trailer | Margaret Peterson Haddix 1:16 The Strangers: Greystone Secrets #1 2:33 Middle Grade Book Recommendation - Greystone Secrets 11:11 The Strangers: Greystone Secrets Series, Book 1 2:25 Les Désastreuses Aventures Des Orphelins Baudelaire | Bande-annonce VF | Netflix France 11:42 Greystone Secrets #1- Strangers 0:45 The Strangers 6:57 The Strangers: Greystone Secrets Series, Book 1