Solar Energy International (SEI) has released a book that should help builders and contractors figure out the best way to incorporate solar photovoltaics (PV) into new construction. Designing, installing and maintaining such systems requires knowledge and training, SEI stated in a press release. "Photovoltaics: Design and Installation Manual" contains an overview of photovoltaic electricity, and detailed descriptions of PV system components. Chapters cover information on sizing photovoltaic systems, analyzing sites and installing PV systems, as well as detailed appendices on PV system maintenance, troubleshooting, and worldwide solar insolation data. This textbook is meant as a user-friendly, how-to-guide for anyone interested in installing PV on a home, or going into solar installation as a business.