Would you believe that a scientist caught a cold and died while conducting experiments in early refrigeration? Did you know that soap was once made from goat fat? Can you guess how pumpernickel bread got its name? Did you know there is polytetrafl uoroethylene somewhere in your kitchen? It’s all true! It’s all amazing! And it’s all in the updated, reissued Robert Crowther’s Amazing Pop-up House of Inventions. Just step inside, open the cupboards, peek in the closets and drawers, and learn about hundreds of inventions you can fi nd right in your own home — including DVDs, MP3s, wireless headsets, and PDAs.