Several books focus with magical research, the work of the
Penelopes, or both. Listed in chronological order.
1910
Mason's romance (with
Rosemary), while investigating an artist's colony.
1920
Investigation of a mysterious reappearing house. The Penelopes assist at the end.
1926
Lucy Doyle and other Penelopes help investigate after an event late in the book.
1939-1940
A project of the Penelopes led by
Gabe relates to the esoteric groups active during World War 2.
September 1946 through June 1947
This book finds Avigail applying some of the skills she's begun to learn from her father and other Penelopes - and another particular connection to that kind of applied research.