From the author of the critically acclaimed novel When Life Gives You Mangos comes a captivating journey of love, loss, and letters. Named a best book of the year by Waterstones!   When Brie was younger, her mama used to surprise her with treasure hunts around their island town. After she died three years ago, these became Brie’s favorite memories. Now, on her twelfth birthday, her mama has another surprise: a series of letters leading Brie on one last treasure hunt. The first letter guides Brie to a special place. The next urges her to unlock a secret. And the last letter will change life as she knows it. In this poignant coming-of-age story of new memories, surprises, and moments of healing, Kereen Getten beautifully captures the edge of adolescence, when everything is thrilling, amazing, and terrifying in a way it will never be again.   ★ "This delightful coming-of-age story details a transformative experience, pairing vivid characters with an evocative setting and bringing readers on an unforgettable journey. Dazzling." —Kirkus Reviews, starred review