For those who like to purchase their ebooks from somewhere besides Amazon, my books are available at multiple stores, thanks to the wonderful folks at Draft2Digital.
The Lost Tayamu: https://books2read.com/u/brGOAz
The Uncrowned Queen: https://books2read.com/u/bQa5Ev
The Shattered Earths: https://books2read.com/u/mezBnr