Free from Sourcebooks...
Where There's Smoke by Karen Kelley
https://www.amazon.com/Where-Theres-.../dp/B007GAHTME
Meet the Earl at Midnight (Midnight Meetings Book 1) by Gina Conkle
https://www.amazon.com/Meet-Earl-Mid.../dp/B00HUTVG02
Billion Dollar Cowboy (Cowboys & Brides Book 1) by Carolyn Brown
https://www.amazon.com/Billion-Dolla.../dp/B00BEXP5HK
Free from Vivian Arend. I think book one is semi-permafree, but other books in the series usually aren't...
Rocky Mountain Heat (Six Pack Ranch Book 1)
https://www.amazon.com/gp/product/B06X3Y84N1
Rocky Mountain Angel (Six Pack Ranch Book 4)
https://www.amazon.com/Rocky-Mountai.../dp/B06X6KPYW4