De Libro Secretorum Fidelium Crucis est tractatus historico-theologicus, scriptus a Marinus Sanutus, qui vivit saeculo decimo tertio. In hoc libro, auctor describit mysteria fidei Christianae et suam devotionem erga Crucifixum. Liber constat ex quinque partibus, quae omnes tractant de differentibus aspectibus fidei Christianae. Partes sunt: de mysteriis fidei, de sacramentis, de virtutibus, de preceptis, et de oratione. In hoc libro, auctor utitur scripturis biblicis et patristicis ad probandum suam doctrinam. Liber Secretorum Fidelium Crucis est opus importante in historia theologiae et devotionis Christianae.This Book Is In Latin.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.