The product is a 1st Edition textbook titled "Constitutional Law" authored by Cass R. Sunstein, Pamela S. Karlan, Louis Michael Seidman, Mark V. Tushnet, and Stone. Published by Little Brown & Company in 1986, the hardcover textbook spans 1579 pages and focuses on the subject of Constitutions. It is intended for individuals studying law or pursuing further education in the field. This comprehensive resource is written in English and provides an in-depth exploration of constitutional law in the United States.