Poppy and Alex. Alex and Poppy. They have nothing in common. She’s a wild child; he wears khakis. She has insatiable wanderlust; he prefers to stay home with a book. And somehow, ever since a fateful car share home from college many years ago, they are the very best of friends. For most of the year they live far apart—she’s in New York City, and he’s in their small hometown—but every summer, for a decade, they have taken one glorious week of vacation together.

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.

Theodore Finch is fascinated by death, and he constantly thinks of ways he might die. But each time, something good, no matter how small, stops him. Violet Markey lives for the future, counting the days until graduation, when she can escape her Indiana town and her aching grief in the wake of her sister's recent death. When Finch and Violet meet on the ledge of the bell tower at school, it's unclear who saves whom.

Every Friday night, best friends Delia and Josie become Rayne Ravenscroft and Delilah Darkwood, hosts of the campy creature-feature show Midnite Matinee on the local cable station TV Six. But with the end of senior year quickly approaching, the girls face tough decisions about their futures. Josie has been dreading graduation, as she tries to decide whether to leave for a big university and chase her dream career in mainstream TV. And Lawson, one of the show's guest performers, is making her tough decision even harder.

James and Alex have barely anything in common anymore - least of all their experiences in high school, where James is a popular senior and Alex is suddenly an outcast. But at home, there is Henry, the precocious 10-year-old across the street, who eagerly befriends them both. And when Alex takes up running, there is James’s friend Nathen, who unites the brothers in moving and unexpected ways.

Pony plans to fly under the radar this year. Tired of getting too much attention at his old school after coming out as transgender, he’s hoping for a fresh start as a Hillcrest High senior. But it’s hard to live your best life with the threat of exposure lurking around every corner. Georgia is beginning to think there’s more to life than cheerleading. She just wants to keep a low profile until graduation...which is why she promised herself that dating is a nonstarter for the foreseeable future.

Postcard-perfect Jar Island is home to charming tourist shops, pristine beaches, amazing oceanfront homes - and three girls secretly plotting revenge. KAT is sick and tired of being bullied by her former best friend. LILLIA has always looked out for her little sister, so when she discovers that one of her guy friends has been secretly hooking up with her, she’s going to put a stop to it. MARY is perpetually haunted by a traumatic event from years past, and the boy who’s responsible has yet to get what’s coming to him. None of the girls can act on their revenge fantasies alone without being suspected. But together…anything is possible .

Sammie McCoy is a girl with a plan: graduate at the top of her class and get out of her small town as soon as possible. Nothing will stand in her way - not even the rare genetic disorder the doctors say will slowly steal her memories and then her health. So the memory book is born: a journal written to Sammie's future self, so she can remember everything, from where she stashed her study guides to just how great it feels to have a best friend again.

With high school coming to an end, Claudine Henry is focused on four things: sex, starting college, becoming a famous writer, and...sex. But when her parents announce they're splitting up, her entire world begins to fall apart. The epic road trip she planned with her best friend is cancelled, and she finds herself stuck on a remote island off the coast of Georgia with her mom - an island with no WiFi, no cell service, and no friends.

When everything has been taken from you, what else is there to do but run? So that’s what Annabelle does - she runs from Seattle to Washington, DC, through mountain passes and suburban landscapes, from long lonely roads to college towns. She’s not ready to think about the why yet, just the how - muscles burning, heart pumping, feet pounding the Earth. But no matter how hard she tries, she can’t outrun the tragedy from the past year, or the person - The Taker - that haunts her.

Eighteen-year-old Eliza Mirk is the anonymous creator of the wildly popular webcomic Monstrous Sea, but when a new boy at school tempts her to live a life offline, everything she’s worked for begins to crumble. In the real world, Eliza Mirk is shy, weird, and friendless. Online, Eliza is LadyConstellation, anonymous creator of a popular webcomic called Monstrous Sea. With millions of followers and fans throughout the world, Eliza’s persona is popular. Eliza can’t imagine enjoying the real world as much as she loves her digital community.

When Jade is given a scholarship to an elite private college in Connecticut, she sees it as a chance to finally escape her painful past and get a fresh start. She’s determined to succeed and that means keeping her focus on school and not guys. But that plan falls apart her first day on campus when Garret, a wealthy prep school boy with swimmer abs and a perfect smile, offers to help her move in. Jade tries to push him away but she can’t deny her attraction to him and Garret won’t let her.

Astrid Jones desperately wants to confide in someone, but her mother's pushiness and her father's lack of interest tell her they're the last people she can trust. Instead, Astrid spends hours lying on the backyard picnic table watching airplanes fly overhead. She doesn't know the passengers inside, but they're the only people who won't judge her when she asks them her most personal questions...like what it means that she's falling in love with a girl.

Everyone thinks they know Libby Strout, the girl once dubbed "America's Fattest Teen". But no one's taken the time to look past her weight to get to know who she really is. Following her mom's death, she's been picking up the pieces in the privacy of her home, dealing with her heartbroken father and her own grief. Now Libby's ready: for high school, for new friends, for love, and for every possibility life has to offer.

Sixteen-year-old Sana Kiyohara has too many secrets. Some are small, like how it bothers her when her friends don't invite her to parties. Some are big, like the fact that her father may be having an affair. And then there's the one that she can barely even admit to herself - the one about how she might have a crush on her best friend. When Sana and her family move to California, she begins to wonder if it's finally time for some honesty, especially after she meets Jamie Ramirez.