The product is a book titled “Expositio in Psalmos. Fasciculus I” by authors Flunk and Matthiae, published in 1911 by Rauch Verlag. It falls under the genre of “90 Varia” and is written in Latin. This book is a collection of expositions on psalms, providing insights and interpretations of the biblical texts. With a focus on scholarly analysis and theological interpretation, this product offers a deep dive into the meaning and significance of the psalms from a Latin perspective.