发表于2024-11-28
Air 2024 pdf epub mobi 电子书
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It's a fact--kids love to explore. The Let's Explore series introduces important concepts in mathematics and earth science for young children in a friendly and attractive way. Bright, clear photographs stimulate discussion, while the simple, easy-to-read text is presented in an approachable "question, investigation, and answer" format.
Air 2024 pdf epub mobi 电子书