Sleep Ed, recently acquired by Jones and Bartlett, publishes the best-selling Essentials of Polysomnography – a new textbook that provides a comprehensive overview of polysomnography for sleep technicians, students, and other health professionals. This newly released book contains the new 2007 American Academy of Sleep Medicine scoring rules as well as the latest sleep disorder classifications. It is an ideal resource to prepare for the RPSGT board certification exam. Forthcoming in August 2009 from Sleep Ed and Jones and Bartlett are The Sleep Technician's Pocket Guide and Sleep Technician's Flash Cards.