The Carls just appeared. Coming home from work at three a.m., 23-year-old April May stumbles across a giant sculpture. Delighted by its appearance and craftsmanship - like a 10-foot-tall Transformer wearing a suit of samurai armor - April and her friend Andy make a video with it, which Andy uploads Online. The next day April wakes up to a viral video and a new life. News quickly spreads that there are Carls in dozens of cities around the world - everywhere from Beijing to Buenos Aires - and April, as their first documentarian, finds herself at the center of an intense media spotlight.

April May and the Carls are back in the much-anticipated sequel to Hank Green's number-one New York Times best-selling debut novel, An Absolutely Remarkable Thing. The Carls disappeared the same way they appeared, in an instant. While they were on Earth, they caused confusion and destruction without ever lifting a finger. Months later, the world is as confused as ever. Andy has picked up April’s mantle of fame; Maya, ravaged by grief, begins to follow a string of mysteries that she is convinced will lead her to April; and Miranda infiltrates a scientific operation.

Miles Halter is fascinated by famous last words - and tired of his safe life at home. He leaves for boarding school to seek what the dying poet François Rabelais called the “Great Perhaps”. Much awaits Miles at Culver Creek, including Alaska Young, who will pull Miles into her labyrinth and catapult him into the Great Perhaps.   

When it comes to relationships, Colin Singleton’s type is girls named Katherine. And when it comes to girls named Katherine, Colin is always getting dumped. Nineteen times, to be exact. On a road trip miles from home, this anagram-happy, washed-up child prodigy has $10,000 in his pocket, a bloodthirsty feral hog on his trail, and an overweight, Judge Judy-loving best friend riding shotgun - but no Katherines.

When Margo Roth Spiegelman beckons Quentin Jacobsen in the middle of the night - dressed like a ninja and plotting an ingenious campaign of revenge - he follows her. Margo’s always planned extravagantly, and, until now, she’s always planned solo. After a lifetime of loving Margo from afar, things are finally looking up for Q...until day breaks and she has vanished. Always an enigma, Margo has now become a mystery. But there are clues. And they’re for Q.

The critically acclaimed debut novel from Stephen Chbosky, Perks follows observant "wallflower" Charlie as he charts a course through the strange world between adolescence and adulthood. First dates, family drama, and new friends. Sex, drugs, and The Rocky Horror Picture Show. Devastating loss, young love, and life on the fringes. Caught between trying to live his life and trying to run from it, Charlie must learn to navigate those wild and poignant roller-coaster days known as growing up.

Stella Grant likes to be in control - even though her totally out-of-control lungs have sent her in and out of the hospital most of her life. At this point, what Stella needs to control most is keeping herself away from anyone or anything that might pass along an infection and jeopardize the possibility of a lung transplant. Six feet apart. No exceptions. The only thing Will Newman wants to be in control of is getting out of this hospital. He couldn’t care less about his treatments or a fancy new clinical drug trial. Will’s exactly what Stella needs to stay away from.

Ambitious New York City teenager Craig Gilner is determined to succeed at life-which means getting into the right high school to get into the right college to get the right job. But once Craig aces his way into Manhattan's Executive Pre-Professional High School, the pressure becomes unbearable. He stops eating and sleeping until, one night, he nearly kills himself.

Set over the course of one school year, in 1986, this is the story of two star-crossed misfits - smart enough to know that first love almost never lasts, but brave and desperate enough to try. When Eleanor meets Park, you’ll remember your own first love - and just how hard it pulled you under.

Cath is a Simon Snow fan. Okay, the whole world is a Simon Snow fan, but for Cath, being a fan is her life - and she's really good at it. She and her twin sister, Wren, ensconced themselves in the Simon Snow Series when they were just kids; it's what got them through their mother leaving. Reading. Rereading. Hanging out in Simon Snow forums, writing Simon Snow fan fiction, dressing up like the characters for every movie premiere. Cath's sister has mostly grown away from fandom, but Cath can't let go.

One cold night, in a most unlikely corner of Chicago, Will Grayson crosses paths with...Will Grayson. Two teens with the same name, running in two very different circles, suddenly find their lives going in new and unexpected directions, and culminating in epic turns-of-heart and the most fabulous musical ever to grace the high school stage. 

Simon Snow is the worst Chosen One who's ever been chosen. That's what his roommate, Baz, says. And Baz might be evil and a vampire and a complete git, but he's probably right. Half the time, Simon can't even make his wand work, and the other half, he starts something on fire. His mentor's avoiding him, his girlfriend broke up with him, and there's a magic-eating monster running around, wearing Simon's face.

Pay close attention, and you might solve this. On Monday afternoon five students at Bayview High walk into detention. Bronwyn, the brain, is Yale-bound and never breaks a rule. Addy, the beauty, is the picture-perfect homecoming princess. Nate, the criminal, is already on probation for dealing. Cooper, the athlete, is the all-star baseball pitcher. And Simon, the outcast, is the creator of Bayview High's notorious gossip app. Only Simon never makes it out of that classroom. Before the end of detention, Simon's dead.

Sixteen-year-old Starr Carter moves between two worlds: the poor neighborhood where she lives and the fancy suburban prep school she attends. The uneasy balance between these worlds is shattered when Starr witnesses the fatal shooting of her childhood best friend Khalil at the hands of a police officer. Khalil was unarmed. Soon afterward, his death is a national headline. Some are calling him a thug, maybe even a drug dealer and a gangbanger. Protesters are taking to the streets in Khalil’s name. 

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.