This text provides a resource to help focus researchers' attention on science and technological developments that have occurred over the last 200 years. The entries are arranged alphabetically, and many classic inventions are covered, as well as many of the world's less-heralded inventions.
My son is 14 and loves social studies and science. He is fascinated by inventors and inventions of all sorts - he's wanting to develop his own inventions some day. He spent hours going through this book the other day. I don't think I could have found a better book for my son. I'm very, very pleased - and so is he, of course!
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