This book is specially tailored for children. Incredible beautiful pictures and diagrams in the book provide each theme with vivid details. Short introduction and interesting questions make the process of reading fun. Here, you can learn about either early inventions,modern science and technology or science and technology around us, and obtain a comprehensive understanding of the application of simple machines and levers.
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Book Description paperback. Book Condition: New. Language:Chinese.Pub Date: 2013-1-1 Pages: 128 Publisher: Popular Science Press interesting dk children Encyclopedia tailored specifically for children. incredibly beautiful pictures and diagrams instructions so that each topic is full of vivid detail; dapper Introduction and interesting issues make the process of reading fun; Here. you can learn from the early invention of modern technology. to science and technology around us; You can also use a simple mechanical and leverage a comprehensiv. Bookseller Inventory # BZ043102