The Sky People and In The Courts of the Crimson Kings by S.M. Stirling
Round Ireland with a Fridge by Tony Hawks

Daughter of the Blood, Heir to the Shadows, Queen of the Darkness, Dreams Made Flesh, and Tangled Webs by Anne Bishop

Man, this series took me forever...

I love them dearly, but boy are they long: Island in the Sea of Time, Against the Tide of Years, and Oceans of Eternity by S.M. Stirling.
Lord Darcy by Randall Garrett
Vampire, Interrupted and Vampires are Forever by Lynsay Sands
Never Love a Cowboy, Just Wicked Enough, and As An Earl Desires by Lorraine Heath
MASH by Richard Hooker
Beach Road and The Lake House by James Patterson