Arnold, Nick creator London New Edition 207 p. 2 x 0.63 x 7.48 inches Evil Inventions is full of the most gruesome gadgets and murderous machines ever created. Discover why someone invented the bottom-stabbing bike saddle and why you would need a toilet snorkel! Redesigned in a bold, funky new look for the next generation of Horrible Science fans. Science and Technology Science Scientific Experiments Non-Fiction Science Studies Inventions 9781407142920 123365