“The Etymologicon: A Circular Stroll Through the Hidden Connections of the English Language” by Mark Forsyth is a nonfiction textbook published by Berkley in the 2010s. This paperback book, measuring 5 inches in width and 0.8 inches in height, spans 304 pages and explores the origins and evolution of English words in a unique circular narrative. Ideal for adults interested in language and linguistics, this book delves into the intriguing etymologies of words in the English language, making it a captivating read for those curious about word origins and historical linguistic connections.