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Hear Your Heart (Let's-Read-And-Find-Out Science: Stage 2 (Hardcover))
Hear Your Heart - Let's-Read-And-Find-Out Science: Stage 2 Hardcover Author:Paul Showers Let's-read-and-find-out about Your HeartNight and day, whether you're asleep or awake, your heart is always beating. Read and find out how your heart works and how to keep it healthy.