From the reviews:"I thought this book would be more about the pros and cons and geeky details of surveillance. Instead, it is mostly filled with technical details about digital photography and satellite construction and deployment. There are also a lot of details about public policy regarding surveillance and land use. This is a great reference book ... ." (Valerie Neer, Goodreads, June, 2011)"This book was very interesting and very descriptive and detailed. ... I did learn some very amazing facts about the surveillance from outer space. ... I would like to thank the author Pat Norris and the co- authors for creating such a factual and descriptive book about what really happens above us. I learned alot about the survalliance of cameras and satellites ... ." (Morgan Janicke, Goodreads, June, 2011)"It read much like a textbook. I found a lot of the basic conceptual information very interesting ... . this information is probably very useful to people who work in communications or with satellite systems ... . The book addresses a number of situations in which satellites are employed such as monitoring global warming, commercial imaging, and radio signal detection. ... The book might have been worth reading just for that information ... ." (James, Goodreads, June, 2011)"This volume is truly an eye-opener. Pat Norris has written this easy-to-read and fact-packed book, one that underscores the vital monitoring of our planet for a variety of purposes. ... Furthermore, this book delves into the possible clash between public good and market forces, as well as future development of systems to deal with emerging needs. ... Thanks to the author's access to technologists, military and civil users around the globe, including politicians and civil servants ... ." (Leonard David, Coalition for Space Exploration, July, 2011)