Mac Barnett is ONE man who has written THIRTEEN books, including "Billy Twitters and His Blue Whale Problem," "Mustache!," Chloe and the Lion and the New York Times best-selling, Boston Globe Horn Book Award-winning Extra Yarn. He also writes the Brixton Brothers series of mysteries. Mac lives in the EIGHTH largest city of THIRTY-FIRST state, which is Oakland, California. Visit him a MILLION times at www.macbarnett.com. Despite having dedicated half his life to drawing monkeys, this is the first time Philadelphia illustrator Kevin Cornell has drawn ones not made of socks. To see other non-sock animals Kevin has drawn, check out "The Trouble with Chickens "by Doreen Cronin, and "Mustache! "by Mac Barnett. Visit "www.kevskinrug.com" to explain to him that mustaches are not animals.