"Ogam: Weaving Word Wisdom" by Erynn Rowan Laurie is a paperback book that delves into the ancient art of Ogam, a system of divination and wisdom associated with the Celtic culture. The author, Rowan, provides insight into the language of Ogam and how it can be used to gain guidance and understanding in one's life. The book offers a unique perspective on the use of words and symbols in the practice of Ogam, making it a valuable resource for those interested in this traditional form of divination.