". . . the author presents his case in a direct, matter-of-fact way that's accessible even to non-scientists. . . . [The Great Maya Droughts is] a benchmark for applying 'hard' science principles to what has been seen as a 'soft science.'"—San Antonio Express-News
"Gill presents a fascinating picture of a collapse triggered by climate change, and discusses the absence of a recovery in the face of overwhelming odds."—British Bulletin of Publications