The San Francisco Sullivans
- Book 1: The Look Of Love
- Book 2: From This Moment On
- Book 3: Can't Help Falling In Love
- Book 4: I Only Have Eyes For You
- Book 5: If You Were Mine
- Book 6: Let Me Be The One
- Book 7: Come A Little Bit Closer
- Book 8: Always On My Mind
- Book 9: Kissing Under The Mistletoe
The Seattle Sullivans
- Book 9.5: One Perfect Night
- Book 10: The Way You Look Tonight
- Book 11: It Must Be Your Love
- Book 12: Just To Be With You
- Book 13: I Love How You Love Me
- Book 14: All I Ever Need Is You
The New York Sullivans
- Book 14.5: Every Beat Of My Heart
- Book 15: Now That I've Found You
- Book 16: Since I Fell For You
- Book 16.5: Sweeter Than Ever
- Summer Lake Spinoff 1: The Best Is Yet To Come
- Summer Lake Spinoff 2: Can't Take My Eyes Off Of You
- Book 17: You Do Something To Me
- Book 18: Every Time We Fall In Love
The Maine Sullivans