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.

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.

Anastasia Allen has worked her entire life for a shot at Team USA. It looks like everything is going according to plan when she gets a full scholarship to the University of California, Maple Hills and lands a place on their competitive figure skating team. Nothing will stand in her way, not even the captain of the hockey team, Nate Hawkins.

If Darcy Barrett hadn’t met her dream man when she was eight years old, the rest of the male population wouldn’t be such a let-down. No one measures up to Tom Valeska, aka the best man on Earth, not in looks, brain, or heart. Even worse is the knowledge that her twin brother Jamie saw him first, and claimed him forever as his best friend. Tom’s off limits and loyal to her brother, 99 percent. One percent of Tom has had to be enough for Darcy, and her adoration has been sustained by his shy kindness. And if she’s honest, his tight t-shirts.

Seventeen-year-old Noah Morgan lives a quiet, normal life with her mother in Toronto . . . until her mother meets and marries William Leister, a wealthy and enigmatic lawyer from California. Noah finds herself moving to LA, leaving her volleyball team, her best friend, and her boyfriend behind. Upon arriving in her new life of private schools and pool parties, she meets her new brother, Nicholas-a college student, and seemingly the typical spoiled rich kid. Noah has no desire to get along with him, especially when she discovers Nick's secret life of clandestine car racing and street fights.