Download or read book Craving Earth written by Sera L. Young and published by Columbia University Press. This book was released on 2012 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation Humans have eaten earth, on purpose, for more than 2,300 years. They also crave starch, ice, chalk and other unorthodox foods - but why? This book creates a portrait of pica, or non-food cravings, from humans' earliest ingestions to current trends and practices.