I'm a writer with a lot of books published, mostly science fiction and fantasy. Two of them are free:

https://www.amazon.com/dp/B08CBJGVCT/ -- "Wavebound Sanctum", the start of a series about the new Goddess of Water
https://www.amazon.com/dp/B01NCAER2M/ -- "Thousand Tales: Extra Lives", short stories introducing a future with brain uploading and virtual worlds (and griffins)

Latest book: "Shaper of Isles", about an isekaied adventurer using stone-shaping magic in a war-torn island chain.

This week, "Virtual Horizon" is free! It's the first book of my "Thousand Tales" science fiction series about AI, virtual worlds, and immortality. Features transformation, griffins, seasteading, and robots selling pizza.
https://www.amazon.com/dp/B086BBLJL9/

Then there's "The Dream of Aveire", currently 99 cents! This one's about a starship that uses advanced biotech to terraform planets and shape its own people, for art.
https://www.amazon.com/dp/B08BHLL49H