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The Grey Sisters

Two years after a deadly plane crash, best friends D and Spider head into the mountains to face their grief. A gripping psychological thriller for fans of The Cheerleaders and Sadie.

D and Spider have always been close friends, and they are further united in their shared heartbreak: they both lost siblings in a horrific plane crash two years earlier. A chance sighting of a beloved cuddly toy in a photograph of the only survivor spurs D to finally seek closure. She and Spider and their friend, Min, set off on a road trip to the mountainside site of that terrible crash.

Ariel has lived on the mountain all her life. She and her extended family are looked down upon by neighboring townsfolk and she has learned to live by her wits, trusting few people outside of her isolated, survivalist community. A terrifying attack sends her down the mountain for help; on her way, she comes upon the three girls—a chance encounter that will have far-reaching consequences for them all.


Paperback: September 1, 2020.



Praise for The Grey Sisters:



  • Finalist, Governer General’s Literary Award for Young People's Literature – Text 2019

  • Finalist, Arthur Ellis Award for Excellence in Crime Writing, Best Juvenile/YA Book 2020

  • CBC's YA novels to watch, Fall 2019

  • Selection, The Canadian Children's Book Centre's Best Books for Kids & Teens 2020, Spring Edition


“It’s rare and wonderful to feel complete trust in a storyteller: the writing, the pacing, the voices of the three POV characters (especially the hero), the depiction of the religious cult in a brooding landscape—Treggiari excels at all of it.” —Kenneth Oppel, author of Bloom, The Nest, and This Dark Endeavor


“Treggiari. . . offers chills both subtle and shocking, and readers won't be able to turn the pages fast enough.” —Kirkus Reviews


“A worthy addition to any classroom, school, or home library, is a well-developed psychological thriller filled with unexpected plot twists that will leave readers guessing right until the very end. … highly recommended.” —CM Magazine


"Dark and gripping. . . . [R]eaders will have a hard time putting the book down." —School Library Journal


“Told in alternating perspectives, this is a well-rounded story of lives that intersect in unexpected ways. The engrossing narration will draw in readers looking for a creepy modern thriller.” —Booklist


“Treggiari’s writing is excellent in the execution of this psychological thriller. The Grey Sisters is definitely perfect to elicit readers to think and wonder about many things: life, relationships, hope, family, but most of all survival and consequences.” —Resource Links


“There’s a punk sensibility on offer here, a raw look at our society’s underside. She keeps the pace of the Governor General’s Award–nominated book brisk, with raging bears and shootouts, but she has also given the human sisters who go on this pilgrimage distinct—and nuanced—approaches to the grief they’re trying to weather.” —The Globe and Mail


"I'd recommend The Grey Sisters to anyone who enjoys thrillers, strong female characters, and true crime" —Midwest Book Review


“Explorations of life in isolated communities and compounds are trending in YA literature, and this heart-pounding version with a strong-girl vibe delivers enough twists and surprises to provide an up-all-night read with a hard-won redemptive, if not entirely happy, ending.” —Bulletin of the Center for Children’s Books



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