Cecelia & Kate series by Patricia Wrede & Caroline Stevermer (2 more)
O'Malley Family Saga by Andrew Greeley (3 more)
Big Stone Gap series by Adriana Trigiani (2 more)
Pink Carnation series by Lauren Willig (9 more, but I'm okay with that.)
Chronicles of the Kings by Lynn Austin (2 more, and one of these I have out from the library right now!)
The Cottage Tales of Beatrix Potter by Susan Wittig Albert (4 more)
The Grand Tour trilogy by Lisa Tawn Bergren (2 more)
Jeeves novels by P.G. Wodehouse (12 more)