If you like PHILIPPA GREGORY try:

Vanora Bennett
Elizabeth Chadwick
Anne Easter-Smith
Carolly Erickson
Nicole Galland
C. W. Gortner
Sandra Gulland
Diane Haeger
Ellen Jones
Karleen Koen
Elisabeth McNeill, Blood Royal
Robin Maxwell
Sena Jeter Naslund, Abundance
Sharon Kay Penman
Susan Holloway Scott
Alison Weir