With two husbands dead, a daughter marrying the wrong man and a debilitating disease, it is no wonder that Sybil Foster took her own life. But Chief Superintendent Roderick Alleyn doesn't believe she was the type to kill herself - and he thinks someone else has made a very grave mistake...
Read MoreMake no mistake - Grave Mistake is a classic in its field - New York Times Book ReviewGrave Mistake is a very good example of the classical detective story ... It is one of the unforgivable literary sins to deny one's pleasure. Hence I wish to state that this work gave me several hours of it - Financial TimesIrresistible... Grave Mistake is a superb book. It's time to compare Agatha Christie to Ngaio Marsh instead of the other way around - New York Magazine