There are so many pitfalls into which the "old lady in a senior community" sub-genre can fall, some of which nag at enjoyment of this book, that I was surprised that the book rose above its flaws to be an interesting and, at times, a gripping, entertainment. So, the leading elder-lady was at times unbearably nosy, a true "NOSY PARKER", a menace to all the innocents who surrounded here, often entering into unbelievable situations, difficult to like, etc., somehow, the author finally made it all gel, and we are able to take her as she is.
This is the first of a series, the Lillian Morgan (senior lady, former Math Professor), which should improve now that the character is introduced and, presumably, the author is freed to concentrate more on plotting and strengthening her character.
Good for most readers of "cozy" mysteries.
(Of course most specific comments had to be omitted to preserve the mystery from being unwrapped before the reader has opened the book.)