"It is common to argue that intellectual property in the form of copyright and patent is necessary for the innovation and creation of ideas and inventions such as machines, drugs, computer software, books, music, literature and movies. In fact intellectual property is a government grant of a costly and dangerous private monopoly over ideas. We show through theory and example that intellectual monopoly is not necessary for innovation and as a practical matter is damaging to growth, prosperity and liberty."

It is an economic book that build a devastating case against patent and copyright laws.

Notes: It seem that book marks the GPL and other free software license as the exception and is something that they see as beneficial. It is something if possible they want to see preserved.