Gray's Anatomy Premium Edition is an iPhone application that is a digital adaptation of the famous anatomical book by Henry Gray. The app includes the complete text and full HD illustrations of the original book, enhanced and specifically built for the iPhone. It contains 1247 scrollable thumbnails of illustrations, which can be zoomed like photos. The app also features a search option, point indicator, easy navigation, and the ability to create notes for each illustration, email images, text and notes, print via AirPrint, and bookmarks.

The app is an excellent resource for doctors, nurses, students, teachers, and anyone interested in the complexity of the human body. It also includes built-in medical search engines, such as Wolfram Alpha, Wikipedia, and Ask.com, making it easier to explore resources quickly and easily.

Overall, Gray's Anatomy Premium Edition is a comprehensive medical reference guide that is easy to navigate and use. It is highly recommended for medical professionals and students alike.