0:57 Greystone Secrets #1: The Strangers 🤭🔎 | Official Book Trailer 0:30 Greystone Secrets #2: The Deceivers Book Trailer | Margaret Peterson Haddix 0:31 Greystone Secrets #3: The Messengers Book Trailer | Margaret Peterson Haddix 2:16 Margaret Peterson Haddix - Greystone Secrets 7:10 Intro to the Greystone Secrets series 1:44 Top 3 Book Recs | Margaret Peterson Haddix 2:33 Middle Grade Book Recommendation - Greystone Secrets 1:17 Loblolly Books - Book talk - Greystone Secrets series, The Strangers 2:15 MARGARET PETERSON HADDIX INTRODUCES GREYSTONE SECRETS #1: THE STRANGERS 7:57 Cracking the Codes of Greystone Secrets! | Margaret Peterson Haddix 0:43 Greystone Secrets #2 The Deceivers Book Trailer Margaret Peterson Haddix 1 0:51 Greystone Secrets #1: The Strangers by Margaret Petersen Haddix 11:42 Greystone Secrets #1- Strangers