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.