This is still available!
If you are a Harry Potter Fan, you can download – Harry Potter Collector’s Handbook.
Be sure to double check the price, as they may change frequently.
Note: Remember that prices can change, so make sure it is still free when you download. Please use your discretion when downloading these books. I am not personally recommending them, just letting you know they are available.
You can see more Free Kindle Book Downloads here.