Latter End By Patricia Wentworth $.99 book 11 of Miss Silver series
Amazon:
https://www.amazon.com/Latter-Miss-S...al-text&sr=1-1
Kobo:
https://www.kobo.com/us/en/ebook/latter-end-1
The Eighth Commandment By Lawrence Sanders $.99 Amazon, Kobo and B&N
Amazon:
https://www.amazon.com/Eighth-Comman...t%2C402&sr=1-2
Kobo:
https://www.kobo.com/us/en/ebook/the...-commandment-5
Fletch’s Moxie By Gregory Mcdonald $.99 Amazon, Kobo and B&N
I don't know this author but another of his books won an Edgar.
Amazon:
https://www.amazon.com/Fletchs-Moxie...al-text&sr=1-1
Kobo:
https://www.kobo.com/us/en/ebook/fletch-s-moxie-4
Fearless By Fern Michaels $1.99 Amazon, Kobo and B&N
I don't read this author, but this romance/thriller writer is popular.
Amazon:
https://www.amazon.com/Fearless-Fern...al-text&sr=1-3
Kobo:
https://www.kobo.com/us/en/ebook/fearless-174