This book and the experiments have kept me engaged in science and engineering since I first picked it up. Although the experiments are somewhat dated, their scope (feel like building a particle accelerator...) and appeal is universal. Have a compressor? Why not try to capture Maxwell's demon and put him to work in a Hilsch Vortex tube. Almost all the experiments are way beyond a weekend's worth of time so there is much to satisfy the true amateur beyond a bauble of an experiment here and there. I highly recommend it for kids, teenagers and adults! My copy is almost worn out.

I acquired this book in 1966 and still use it for inspiration. Methods in the projects are somewhat dated, however the "spark" for any true experimenter is still as bright as ever in this book. It is a "must have" book for any serious experimenter's library. Young or old, if you can find it, buy it!