Blume Forever
Bradley 24 Girls in 7 Days
Draper Romiette and Julio
Elkeles Perfect Chemistry
Flinn A Kiss in Time
Gray Evernight
Green An Abundance of Katherines
Ostow 30 Guys in 30 Days
Rushton Dashwood Sisters’ Secrets of Love
Schreiber Vampire Kisses
Smith Tantalize

All titles are in YA fiction. More suggestions available in YA.