As requested, here is an outline of the purpose of this thread:
We point out free and bargain Non-Fiction to each other, and occasionally recommend certain books that are/were free (or the opposite!).
Because Kindle freebies are easiest to find, the majority of the books listed are from Amazon, but freebies and bargains from other retailers and in other formats are more than welcome!
In case no retailer is specifically mentioned in a post, it is safe to assume it's for Amazon US.
Be aware that many freebies are only free for a day, so grab them fast. Enjoy!
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If you happen to check this thread before 3AM (eastern US), you can find last week's freebies from FT Press here:
http://www.amazon.com/s/?rh=n:154606...d-publisher=FT Press
For those checking later in the morning, this week's selections should be up (usually after 4AM or so).