Cooper’s first book, luxuriously produced, in which he described for the first time the transversalis fascia, with full appreciation of its importance in hernia, as well as the superior pubic ligament with bears his name. Cooper made a study of femoral hernia and described “Cooper’s ligament”. He also studied diaphragmatic hernia. The second edition of 1827, entitled The anatomy and surgical treatment of abdominal hernia included his description of “Cooper’s hernia” (hernia femoralis fasciae superficialis).