Holiday sale till 1st January 2025
https://www.smashwords.com/books/view/1569755 The Mission’s Talent 50% off $1.99
https://www.smashwords.com/books/view/1561233 Goths and Rooks 50% off $1.99
https://www.smashwords.com/books/view/1071484 Dwarves and Rooks 50% off $1.99
https://www.smashwords.com/books/view/989854 The Seven Talismans 75% off $0.99
https://www.smashwords.com/books/view/945628 Artists and Rooks 50% off $1.99
https://www.smashwords.com/books/view/944850 The Fay Child 50% off $1.99
https://www.smashwords.com/books/view/944557 The Legal Talent 50% off $1.99
https://www.smashwords.com/books/view/891825 Conspiracies and Rooks 50% off $1.99
https://www.smashwords.com/books/view/889041 Fairy Godmothers 50% off $1.99
https://www.smashwords.com/books/view/841574 Exiles and Rooks 50% off $1.99
https://www.smashwords.com/books/view/716453 No Silver Lining 75% off $0.99
https://www.smashwords.com/books/view/716440 Hero Genesis 75% off $0.99
https://www.smashwords.com/books/view/711927 Seeking the Flaming Spear 75% off $0.99
https://www.smashwords.com/books/view/710537 Carrying the Shining Sword 75% off $0.99
https://www.smashwords.com/books/view/701340 The Master’s Talent 50% off $1.99
https://www.smashwords.com/books/view/690648 The Solar Alliance 75% off $0.99
https://www.smashwords.com/books/view/631062 The Journeyman’s Talent 75% off $0.99
https://www.smashwords.com/books/view/633057 Starship Chief 50% off $1.49

Bonus currently free
https://www.smashwords.com/books/view/656868 Under the Stone of Destiny
https://www.smashwords.com/books/view/627843 The Apprentice’s Talent

If the Kindle format doesn’t work (some newest Kindles?), then convert the epub. Only the epub works with Send To Kindle.
Also on Amazon, Kobo, Apple, Barnes & Noble and Google Playstore Books, but dearer or may have DRM (KFX, Apple).