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This poignant and adventurous chapter book follows eleven-year-old Nicholas, a gifted mathematical and musical prodigy, as he faces a daunting challenge. His estranged grandfather, recently released from prison and suffering from dementia, claims to have buried valuable heirlooms that could save the family's home from financial ruin. Nicholas, with the help of a new friend, embarks on a complex treasure hunt, piecing together his grandfather's fragmented memories and cryptic clues. The story beautifully explores themes of family love, perseverance, and empathy, offering a gentle yet realistic portrayal of aging and memory loss, while also delivering an engaging mystery.