Some established author self-pub KDP freebies for today:
Feeding the Feral Children by David Farland aka Dave Wolverton (
ISFDB entry,
Wikipedia). Historical fantasy set in ancient China & Persia.
Unlikely by Frances Pauli (
ISFDB entry, has been published by Mundania Press). 1st in Kingdoms Gone fairy tale fantasy series.
Beyond the Waters of the World by Ruth Nestvold (
ISFDB entry,
Wikipedia). Sf novella, 2nd in Looking Through Lace series (previously freebied). Also offers her Nebula-nominated sf short and a mini-collection of 3 previously-published fantasy tales
free to all via Smashwords.
Repeats from
Liu Cixin and Michael Boatman (
ISFDB entry,
Wikipedia).
PS. If you thought you might be interested in the
Raygun Chronicles Space Opera anthology Kickstarter project in the post above, it's got only 4 hours to go and is still a bit short of its funding goal.