A Palm for Mrs. Pollifax Vol. 4 by Dorothy Gilman (1985, Paperback)
"Mrs. Pollifax gives Agatha Christie's Miss Marple a rival to reckon with." TORONTO STAR A secret agent like no other, Mrs. Pollifax was leading a very full life: Garden Club, karate, yoga--and a litt...
Pros: Mrs. Pollifax and the rest of the characters
Cons: Plot rather formulaic