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Hardcover
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A sound-inspired scavenger hunt and fast-paced mystery about family and friendships lost and found.

“A harmonious blend of STEM intrigue and heartfelt emotion that emphasizes listening closely to what really matters.” —Kirkus, starred review

Felix used to love summer vacation, when his family would trade the bustling noise of New York City for the small-town quiet of Blissfield, Massachusetts. But vacation hasn’t been the same since his big brother left home, and Felix is sure this summer is ...