Sixteen-year-old Lara Jean Song keeps her love letters in a hatbox her mother gave her. They aren’t love letters that anyone else wrote for her; these are ones she’s written. One for every boy she’s ever loved - five in all. When she writes, she pours out her heart and soul and says all the things she would never say in real life, because her letters are for her eyes only. Until the day her secret letters are mailed, and suddenly, Lara Jean’s love life goes from imaginary to out of control.

Belly measures her life in summers. Everything good, everything magical happens between the months of June and August. Winters are simply a time to count the weeks until the next summer, a place away from the beach house, away from Susannah, and most importantly, away from Jeremiah and Conrad. They are the boys that Belly has known since her very first summer—they have been her brother figures, her crushes, and everything in between. But one summer, one wonderful and terrible summer, the more everything changes, the more it all ends up just the way it should have been all along.

Cassie Salazar and Luke Morrow couldn't be more different. Sharp-witted Cassie works nights at a bar in Austin, Texas, to make ends meet while pursuing her dream of becoming a singer/songwriter. Luke is an army trainee, about to ship out for duty, who finds comfort in the unswerving discipline of service. But a chance encounter at Cassie's bar changes the course of both their lives.

The new Abby Abernathy is a good girl. She doesn’t drink or swear, and she has the appropriate number of cardigans in her wardrobe. Abby believes she has enough distance from the darkness of her past, but when she arrives at college with her best friend, her path to a new beginning is quickly challenged by Eastern University's Walking One-Night Stand. Travis Maddox, lean, cut, and covered in tattoos, is exactly what Abby needs—and wants—to avoid.

In 1761, on a sunny day in September, a King and Queen met for the very first time. They were married within hours. Born a German Princess, Charlotte of Mecklenburg-Strelitz was beautiful, headstrong, and fiercely intelligent… not precisely the attributes the British Court had been seeking in a spouse for the young King George III. But her fire and independence were exactly what she, and her King, needed. Because George has secrets… secrets with the potential to shake the very foundations of the monarchy.