Thirsty is an exploration of Los Angeles' storied history in regards to water. Starting with William Mullholland and his aqueducts, through the 1926 collapse of the St. Francis Dam, which killed hundreds, and on through to the profound implications Los Angeles' path has for today. Where Marc Reiser's seminal 1986 book Cadillac Desert started, Marc Weingarten's Thirsty continues. Illuminating the complexities of the Los Angeles aquaduct system, the politics behind supplying America's second largest city with water from hundreds of mile away, and the disaster that haunted William Mullholland until his final days.