Ready the Cannons!

Garage warriors will get a bang out of this new handbook from the author of Backyard Ballistics that shows how to build cannons and other fun things that shoot, from Wiffle ball launchers and beverage bottle bazookas to superpowered water guns and model culverins. In Ready the Cannons!, engineer William Gurstelle breaks down how to safely construct a dozen awesome artillery devices in your basic h...