Today's October 1, 2019, which heralds a new quarter for IHG Rewards Club members to snag free Kindle ebooks. See
this post for more details.
There are too many selections to list them all, but here are the categories in the order presented:
Looks like the same pickins' offered the past few quarters. (I'm now rummaging past titles I could otherwise read free via
Prime Reading/
Prime Reading Eligible and sure hope IHG'll update the selections in 1Q2020.)