The Thornless Prickly Pears is a book written by David Griffiths and published in 1912. The book is a comprehensive guide to the cultivation and uses of the prickly pear cactus, specifically the varieties that are thornless. The author covers a wide range of topics related to the plant, including its history, botany, propagation, and cultivation. The book also includes detailed information on the various uses of the prickly pear cactus, such as its...