Primary titles in the area of Jaina philosophy are identified, focusing on English-language materials published in the twentieth century, Included is a brief survey of individual books and book series, with more extensive commentary on two important books published within the past five years: Nathmal Tatia's translation of Umasvati's Tattvarthasutra (That Which Is) and Nagin J. Shaha's translation of Nyayavijayaji's Jaina Darsana (Jaina philosophy and religion).