The book is dedicated to the cryptocurrency laws in four countries: the United States, Canada, Germany and United Kingdom. Its ten authors, correspondingly, include three American, two Canadians, one German and four British. They are all lawyers, many having special experience in electronic payments, financial services or taxation. Some of them teach in universities and have authored research papers in law and finance.
http://www.coinfox.info/news/2429-the-law-of-bitcoin-is-not-the-law-of-the-jungle
Unfortunately, this isn't about a book you can download for free. This is a commercial proposition. You've got to pay to get the book. I wish someone will buy it and tell us what it's worth.