The first title in the Helen Hawthorne/Dead End Job series by Elaine Viets, which was a finalist for both an Agatha and a Lefty when first published, is free right now at Kindle US.
Shop Till You Drop:
https://www.amazon.com/Shop-Till-Dro...dp/B083QQCWQZ/
And the second title (finalist for a Barry) is on sale for $0.99.
Murder Between the Covers:
https://www.amazon.com/gp/product/B083QPNKRC
So if you want to try out this series in order, this is a good start...
Oh yeah, and for moderators who may not be familiar with this author/series, and for whom the award nominations might not be enough, both were traditionally published a long time ago, see
here and
here.
Update: And also free/£0.99 at Kindle UK...
Shop:
https://www.amazon.co.uk/gp/product/B083QQCWQZ/
Covers:
https://www.amazon.co.uk/gp/product/B083QPNKRC/