The Language of Butterflies: How Thieves, Hoarders, Scientists, and Other Obsessives Unlocked the Secrets of the World’s Favorite Insect. By Wendy Williams. New York: Simon and Schuster. $26.00. xiv + 224 p. + 16 pl.; ill.; no index. ISBN: 978-1-5011-7806-1 (hc); 978-1-5011-7808-5 (eb). 2020.