Carola writes the Daisy Dalrymple Mystery series which started in 1994 and is set in England. It features journalist, Daisy Dalrymple. This series is set in the 1920's. The books in this series have an Agatha Christie style to them.
She also writes the Cornish Mystery Series which started in 2009 and is set in 1960s England. It features widow, Eleanor Trewynn who runs a charity shop in Cornwall, England. In earlier years she traveled to exotic places with her husband. Now she is retired and to the dismay of grouchy Inspector Scumble is an amateur sleuth.