While this list is no way all-inclusive, below are some of her favorite series:
The Dragonriders of Pern and Rowan series by Anne McCaffrey
Immortals After Dark series by Kresley Cole
Psy-Changeling series by Nalini Singh
Lords of Deliverance/Demonica series by Larissa Ione
Black Dagger Brotherhood series by J.R. Ward
Darkest London series by Kristen Callihan
Outlander series by Diana Gabaldon
The Bridgertons series by Julia Quinn
Wallflowers series by Lisa Kleypas