Lost on Doll Island
Lost on Doll Island by Cassandra Ramos-Gomez is a middle grade horror novel published by Simon and Schuster on August 26, 2025. This 192-page book follows Diego, a Mexican American boy who, while visiting family in Mexico City, begins to hear the voice of a haunted doll. Confined in an arm cast and grappling with feelings of guilt over his parents’ divorce, Diego’s strange dreams lead him to a mysterious island known for its legendary magic.
Readers will find a fast-paced adventure as Diego, along with two new friends, embarks on a journey to La Isla de Muñecas, where children’s wishes are said to come true. However, upon arriving, the trio encounters unsettling occurrences, including dolls that appear and disappear mysteriously. As the night unfolds, Diego faces increasing challenges that heighten his sense of entrapment, leaving him uncertain about his ability to escape the island’s eerie grasp. This book explores themes of fear, friendship, and the quest for resolution amidst supernatural elements.
Official synopsis Publisher
Rick Riordan meets R. L. Stine in this fast-paced debut middle grade horror packed with adventure about a Mexican American boy who starts hearing the voice of a haunted doll while visiting family in Mexico City.
Diego feels trapped. He’s confined in an arm cast, stuck with his tía and tío for a week in Mexico City, and smothered with the sickening fear that he’s the one who really caused his parents’ divorce. But most of all, he’s trapped in his own secret. Because ever since he got to Mexico City, he’s started having strange dreams of a doll calling his name.
Then Diego learns of La Isla de Muñecas, an island full of legendary magic that can make children’s wishes come true. If Diego can harness the power there, maybe he could fix everything that has gone wrong in his life.
So, with the help of two new friends, Diego takes a boat to the legendary island. From the moment the kids step ashore, nothing is as it seems—with dolls disappearing and reappearing in the blink of an eye. Suddenly, Diego is more trapped than ever before, and as the night goes on, he’s not sure he can escape.
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