Whether you're a "professional" butt-whistler...or simply can't resist impressing your friends every now and then with a face-melting fart...you'll laugh out loud at this hilarious book with dozens of amazing illustrations. You (& Your Kids) Will Laugh Out Loud Learn from the master of bottom-burping disaster himself - El Ninjo - as he demonstrates all 10 different kinds of farts (and the perfect situations to use them to your stinky...