The Book of Roots is a specialized vocabulary-building resource designed for Latin language learners, specifically focusing on Latin roots as a means of expanding English vocabulary. Published by Memoria Press in 2007, this book by author Paul O’Brien offers a comprehensive approach to studying Latin roots, ideal for advanced learners seeking to enhance their language skills. With a technical level of difficulty and 191 pages of content, this trade paperback serves as a valuable tool for those looking to deepen their understanding of Latin language studies.