The product is a book titled “On and by Frank Lloyd Wright: A Primer of Architectural Principles” by Robert McCarter. Published by Phaidon Press in 2012, this trade paperback features illustrations and a total of 372 pages. The book covers various architectural principles with a focus on the works of Frank Lloyd Wright, making it a valuable resource for those interested in architecture, individual architects, and the history of architectural firms. The compact size of the book, measuring 9.6 x 6.8 inches, makes it convenient for reading on-the-go, while the weight of 37.1 ounces ensures durability and longevity.