Wilson Daniel H. Wilson 
Bro-Jitsu [EPUB ebook] 
The Martial Art of Sibling Smackdown

Bro-jitsu is a highly stylized form of physical and mental combat that has been practiced and honed to perfection over countless millennia by billions of human beings who all have one crucial thing in common: annoying siblings. The book breaks down Bro-jitsu into three strategies: offensive moves, defensive moves, and psychological manipulation. Each section delivers step-by-step instructions on performing crucial techniques, from the classic Wet Willy to the inventive Full-Body Defensive Fish Wiggle. No sibling should be without it!