As of today, Cognitive Productivity is available for sale on Amazon® as an ebook.
To celebrate this fact, the first 20 people who use the “I-Prefer-Leanpub” coupon URL in purchasing Cognitive Productivity from Leanpub will get this book for only $7.99, less than half the current Amazon price![*] (and half the recommended Leanpub price.) The URL coupon code is embedded in all Leanpub links in this post. Explicitly, it is:
Amazon, as you may have heard, has ruffled the feathers of authors and publishers. I won’t comment on that here.
However, I do encourage readers of Cognitive Productivity to purchase the book on Leanpub rather than Amazon, because: