A weekend nature trip turns into a mystery when the Number Sleuths Club discovers that Pinecrest Valley's visitor map does not match the world around them. Distances disagree, grid squares are not square and a familiar lake has somehow changed shape on paper. Riya, Aarav, Kabir and Meera follow the clues through geometry, coordinates, scale, direction and field measurements to discover how a correct map became dangerously misleading.The Crooked Map Case transforms spatial reasoning into an adventure about models, evidence and the importance of checking what must stay in proportion.
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