Some repeat Open Road drops to $1.99, at Kindle and/or Kobo US as indicated (as of now):
Death in the Devil's Acre, Charlotte and Thomas Pitt, #7, by Anne Perry
Kindle US:
https://www.amazon.com/Death-Devils-...dp/B0052ZEIBA/
Malice in Maggody, Arly Hanks/Maggody, #1, by Joan Hess
Kindle US:
https://www.amazon.com/Malice-Maggod...dp/B01N4RHNLC/
Kobo US:
https://www.kobo.com/us/en/ebook/malice-in-maggody
Maggody in Manhattan, Arly Hanks/Maggody, #6, by Joan Hess
Kindle US:
https://www.amazon.com/Maggody-Manha...dp/B01ENRHKA8/
Saturday the Rabbi Went Hungry, Rabbi Small #2, by Harry Kemelman
Kindle US:
https://www.amazon.com/Saturday-Rabb...dp/B00ZJZH6TY/
Kobo US:
https://www.kobo.com/us/en/ebook/sat...-went-hungry-2
The Nine Mile Walk: The Nicky Welt Stories, by Harry Kemelman
Kindle US:
https://www.amazon.com/Nine-Mile-Wal...dp/B00ZJZGVYK/