They knew each other before either of them knew what they wanted. Childhood-friends-to-lovers romance runs on history and timing, and these books make years of friendship look like the longest slow burn.
Irene Saunders
Georgette Heyer
Penelope Douglas
Lex Croucher
Elizabeth Bailey
T. J. Klune
Dave Duncan
Devney Perry
Lexa Luthor
Caroline Anderson
Kathleen Korbel
Lisa Noeli, Alice Holden, Melynda Beth Skinner
Rachel Runya Katz
AJ Sherwood
Tarryn Fisher, Colleen Hoover
Linda Lael Miller
Nicola Cornick
Grace Livingston Hill