Detection Unlimited (by Georgette Heyer)

(Amazon UK link) I’m glad I decided to re-read Georgette Heyer’s crime fiction novels, as they’re a bit different from her better-known Regency romances. I’ve just finished ‘Detection Unlimited’ which is the last of the twelve crime books she wrote. I last read it in 2017 and had a vague memory of the outcome, although I had not recalled the perpetrator. These books were written as contemporary novels set in the middle of last century. This one was first published in 1953. 
This book starts with a...