Answers a wide variety of questions about the invention of common household items.

Everything you need to know about inventions, plus a bit more! This highly popular and long-running series has been revamped for a new generation of readers, wi

本书内容包括:人类为什么发明新事物呢、所有的东西都是发明出来的吗、发明家的灵感是从哪里得来的、什么新发明很快

It is hard for kids to imagine that everything they see and use was once invented by someone. From computer games to ball point pens, Teddy bears to drinking st