The 21st Century Complete Guide to Solar Energy and Photovoltaics by World Spaceflight News is an up-to-date electronic book on CD-ROM, and it has an excellent collection of official federal documents on the subject of photovoltaics and power cells. You can directly view this CD-ROM book on solar energy on both Windows and Macintosh systems, using Adobe Acrobat PDF software (reader software is included). You can easily search all of the files on the disk for certain words or phrases. It is very functional and easy to use and contains a ton of information. Any documents that particularly catch your eye can easily be printed out. This solar electronics CD-ROM book is a great reference for students, teachers, scientists, schools, libraries, etc. Includes information on: The United States Department of Energy (DOE) Photovoltaics Program; National Renewable Energy Laboratory (NREL) Center for Photovoltaics; Photovoltaics for Buildings; Photovoltaics Research and Development; Photovoltaics Silicon Materials Research; Solar Decathlon; Amorphous Silicon; NREL Solid State Theory Group and Solid State Spectroscopy. Features 20,075 pages (no typo) English CD-ROM