Aletheia: Or Letters On The Truth Of Catholic Doctrines is a book written by Charles Constantine Pise and published in 1843. The book is a series of letters written by the author to a Protestant friend, in which he defends the Catholic faith and its doctrines. Pise addresses various topics such as the authority of the Church, the real presence of Christ in the Eucharist, the role of the Pope, the sacraments, and the veneration of Mary and the saints. He also discusses the history of the Church and its relationship with Protestantism. The book is written in a clear and concise style, and is intended to provide a comprehensive and convincing defense of Catholicism to those who may be skeptical or unfamiliar with its teachings. Overall, Aletheia is a valuable resource for anyone interested in understanding the Catholic faith and its beliefs.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.