The book is available both as physical copy, and eBook. See below for different versions.
If you don’t have a tablet you can still read the book on a computer!
Use Kindle for PC or iBooks for Mac.
The full, hardcover version.
An abridged, softcover version.
The iBooks version, works with all iOS & Mac OS devices & computers
The Kindle version of the book, also works on PCs with the Kindle app.