Who is your invisible neighbor? When Mrs. Johnson gives her fourth grade class this new riddle to solve, Isabelle can't wait to take on the challenge. She's a smart, curious girl who loves competition and hopes to be a veterinarian someday. But this riddle is the most difficult one she's ever had to solve. Before she can unravel the mystery, Isabelle will need a few more clues. Join her on the journey as she meets a stranger, takes a surprise field trip, and hears a most unusual secret. Along the way, Isabelle learns to see things she's never seen before.

This book produced in partnership with Miracle Hill Ministries. Proceeds support the nonprofit's work with people experiencing homelessness. miraclehill.org

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