Twenty-year-old Karina is proud of the independent life she is trying to create for herself in Ft. Benning, Georgia. A dutiful officer’s daughter, supportive sister to a troubled twin brother, and caring friend to her roommate, Elodie, Karina always puts the needs of others ahead of her own and prides herself on being a fixer of broken things—whether it’s the house she’s just bought or the fragmented family she works hard to keep intact. Like anyone who has grown up around an army base, Karina also knows the background noise that follows men and women home from war.

Being the middle child has its ups and downs. But for Grace, an only child who was adopted at birth, discovering that she is a middle child is a different ride altogether. After putting her own baby up for adoption, she goes looking for her biological family, including: Maya, her loudmouthed younger bio sister, who has a lot to say about their newfound family ties. And Joaquin, their stoic older bio brother, who has no interest in bonding over their shared biological mother.

He was tall, at least six feet, with dirty blond hair that hung over his eyes. His T-shirt read Nietzsche Is My Homeboy. So, that was Matt. Who Julie Seagles likes. A lot. But there is also Finn. Who she flat out loves. Complicated? Awkward? Completely. But really, how was this freshly-minted Boston transplant and newbie college freshman supposed to know that she would end up living with the family of an old friend of her mother’s? This was all supposed to be temporary.

Dubbed "Dumplin'" by her former beauty queen mom, Willowdean has always been at home in her own skin. Her thoughts on having the ultimate bikini body? Put a bikini on your body. With her all-American-beauty best friend, Ellen, by her side, things have always worked...until Will takes a job at Harpy's, the local fast-food joint. There she meets Private School Bo, a hot former jock. Will isn't surprised to find herself attracted to Bo. But she is surprised when he seems to like her back.

PhD candidate Phoebe Walsh has always been obsessed with true crime. She's even analyzing the genre in her dissertation—if she can manage to finish writing it. It's hard to find the time while she spends the summer in Florida, cleaning out her childhood home, dealing with her obnoxiously good-natured younger brother, and grappling with the complicated feelings of mourning a father she hadn't had a relationship with for years.

Gabby Langdon has always tried to make people happy. She even went to law school to please her father, and now, she's a highly successful - albeit bored - attorney. But Gabby secretly dreams of being a writer, so for once, she does something for herself - she signs up for a writing class taught by best-selling novelist Caden Marshall. There's only one problem: Her brooding, sexy professor is a distraction she can't afford if she's finally going to get the life she truly wants.

Three years ago Tanner Scott's family relocated from California to Utah, a move that nudged the bisexual teen temporarily back into the closet. Now, with one semester of high school to go and no obstacles between him and out-of-state college freedom, Tanner plans to coast through his remaining classes and clear out of Utah. But when his best friend, Autumn, dares him to take Provo High's prestigious Seminar - where honor roll students diligently toil to draft a book in a semester - Tanner can't resist going against his better judgment and having a go.

Joanna Gordon has been out and proud for years, but when her popular radio evangelist father remarries and decides to move all three of them from Atlanta to the more conservative Rome, Georgia, he asks Jo to do the impossible: to lie low for the rest of her senior year. And Jo reluctantly agrees. Although it is (mostly) much easier for Jo to fit in as a straight girl, things get complicated when she meets Mary Carlson, the oh-so-tempting sister of her new friend at school. But Jo couldn't possibly think of breaking her promise to her dad.

When 16-year-old, Ashlyn Brooks, runs into a sweet British guy in the dark Chemistry lab, she has no idea she's actually sitting in the pitch black room with her longtime rival, Luke Davenport. She also doesn't know that she's stepped into another one of the football captain's pranks. It isn't long before she's sharing things she's never told anyone, and starting to fall for the mysterious guy with a sexy accent who seems to understand her in a way no one ever has before.

When an unlikely friendship is sparked between relatively popular Kit Lowell and socially isolated David Drucker, everyone is surprised, most of all Kit and David. Kit appreciates David's blunt honesty - in fact, she finds it bizarrely refreshing. David welcomes Kit's attention and her inquisitive nature. When she asks for his help figuring out the how and why of her dad's tragic car accident, David is all in. But neither of them can predict what they'll find. Can their friendship survive the truth?

Everything about Jessie is wrong. At least that's what it feels like during her first week of junior year at her new ultra-intimidating prep school in Los Angeles. Just when she's thinking about hightailing it back to Chicago, she gets an email from a person calling themselves Somebody/Nobody (SN for short), offering to help her navigate the wilds of Wood Valley High School. Is it an elaborate hoax? Or can she rely on SN for some much-needed help?

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.

Seventeen-year-old Caymen Meyers learned early that the rich are not to be trusted. And after years of studying them from behind the cash register of her mom's porcelain-doll shop, she has seen nothing to prove otherwise. Enter Xander Spence-he's tall, handsome, and oozing rich. Despite his charming ways and the fact that he seems to be one of the first people who actually gets her, she's smart enough to know that his interest won't last.

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.

Scarlett McKennon’s life in the big city is a big flop. Her cupcake bakery went under, her roommate at her expensive apartment left her high and dry, and her girlfriend just reacted to “I love you” with “No thanks.” Her sophisticated metropolitan dream has crumbled all around her, and the only thing left to do is pull up stakes and return to the small town where she grew up. What could be worse than limping home in defeat? The minute she steps off the train, Scarlett finds out: her first love, Joan, is waiting there to drive her into town, looking quite sexy.