"Life Among the Butterflies " Vance Randolph, 1925 (No. 796 - Little Blue Book)
 
A comprehensive 1925 scientific guide that details the biology, classification, and life cycle of North American butterflies. The book begins with a historical overview of butterfly literature before delving into the metamorphosis process—covering the four distinct stages of egg, caterpillar, chrysalis, and adult (imago). Randolph provides technical descriptions of butterfly anatomy, including their respiratory and circulatory systems, and categorizes them into major families such as the Nymphalidae and Papilionidae. Beyond simple identification, the text explores ecological interactions, such as protective adaptations like mimicry and the unique migration patterns of species like the Monarch. The work is noted for making complex scientific nomenclature accessible to a general audience, often including translated research papers that were previously difficult for American students to find.