Thanks for your interest in my book (:
There are 2 options (eBook or paperback).
To download the eBook for free, go to SittingErgonomics.com/ebook.
To purchase the paperback version from Amazon for $9.99, go to SittingErgonomics.com/paperback.
Congratulations! You’ve just taken a huge step forward in improving your quality of life, simply by considering my book. I appreciate that (;
Sitting Ergonomics LLC