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Espana / Spain (Detectives de viaje) (Spanish Edition) | $9.46 | 1410932087 | ||
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Cell Function and Specialization (Sci-Hi: Life Science) | $5.48 | 1410932532 | ||
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Respiration and Photosynthesis (Sci-Hi: Life Science) | $4.49 | 1410932567 | ||
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Classification of Animals (Sci-Hi: Life Science) | $8.99 | 1410933334 | ||
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Light and Sound (Sci-Hi: Physical Science) | $6.97 | 1410933830 | ||
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Gadgets and Inventions (From Fail to Win! Learning from Bad Ideas) | $35.32 | 141093909X | ||
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Building the Three Gorges Dam (Science Missions) | $9.95 | 1410939995 | ||
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Avoiding Hunger and Finding Water (The Environment Challenge) | $9.49 | 1410943054 | ||
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Sustaining Our Natural Resources (The Environment Challenge) | $9.49 | 1410943070 |