Order a paper copy

The PDF and HTML versions of the book are distributed free of charge. They are the most up to date.

If you’d rather have a physical copy, you can order a paper version from Amazon:

Note that the author receives 0% revenue from sales: this is a non-profit, open-access project. (price = cost of printing 60% + distributor fee 40% + author royalty 0%).

Let me know if you know a vendor who can deliver this book to some geographic regions more cheaply.