"A heart-wrenching scavenger hunt fueled by grief and the search for acceptance that will leave you right on the edge of your seat. Wild, chaotic, and filled with so much heart and love." – Anngie Perez, author of Forever Crimson

"Mammoth is a heart-pounding episodic adventure filled with twists, turns, and a fun dose of paleontology. Its vibrant characters and intricate backstories come together as a thrilling, gritty mystery sure to keep you turning pages. If you grew up with a love for Nancy Drew, treasure hunts, and secret rooms, this book is for you!" – Megan McCullough, author of We Could Be Villains

"With prose that reads like the next season of binge-able TV, Mammoth is the YA successor of the best adventure movies of the 80s." – Olivia J. Bennet, award-winning author of Casually Homicidal

"What a rush! McBride grabs you from the first chapter and drops you into the beautifully chaotic world of Mammoth, where nothing is as it seems. With characters that make cheering them on easy, heavy topics handled with care, and a dash of humor, Mammoth will leave your heart racing and head spinning with an action-packed ride!" – Anna Augustine, author of The Allura Novellas

"This is McBride's best book to date, and I've loved them all! The Jailbirds are a multifaceted, loyal, diverse group of characters whose banter made me laugh out loud multiple times. Mammoth has the perfect balance between character and plot, and... leaves you eager for the next book." – Claire Olivia Golden, author of Unraveled

"Mammoth is everything good about the adventure stories of my childhood, scaled up to an older audience. And the characters! They're flawed, messed up, but at no point did I feel hopeless or despairing while reading their stories. Definitely worth the read – and the reread!" – Brigitte Cromey, author of Tales of Sea and Skies

"Mammoth is not just a book; it's an adventure. This must-read is a page-turner steeped in the fog of the Pacific Northwest. Get knee deep in the mysteries of Mammoth alongside Tommy and the Jailbirds for an unforgettable journey." – Morgan Hubbard, early reader

"Mammoth is a story that feels so comforting and familiar yet is also something entirely fresh and unique. It's the perfect mixture of a coming-of-age novel and a fast-paced action mystery, and it's everything I could have asked for!" – Hannah Catron, early reader