Sixteen-year-old Aza never intended to pursue the mystery of fugitive billionaire Russell Pickett, but there's a hundred-thousand-dollar reward at stake and her best and most fearless friend, Daisy, is eager to investigate. So together, they navigate the short distance and broad divides that separate them from Russell Pickett's son, Davis. Aza is trying. She is trying to be a good daughter, a good friend, a good student, and maybe even a good detective,...

A lightning strike made Lucy, twelve, a math genius, but, after years of homeschooling, her grandmother enrolls her in middle school and she learns that life is more than numbers.

Secrets are revealed as OCD-afflicted Griffin grieves for his first love, Theo, who died in a drowning accident. Even though Theo had moved to California for college and started seeing Jackson, Griffin never doubted Theo would come back to him when the time was right. But when Theo dies in a drowning accident, the future he's been imagining for himself is gone. To make things worse, the only person who truly understands his heartache is Jackson....

Charlie, twelve, who has autism and obsessive compulsive disorder, must endure a cross-country trip with his siblings and a strange babysitter to visit their father, who will undergo brain surgery.

Norah has agoraphobia and OCD. When groceries are left on the porch, she can't step out to get them. Struggling to snag the bags with a stick, she meets Luke. He's sweet and funny, and he just caught her fishing for groceries. Because of course he did. Norah can't leave the house, but can she let someone in? As their friendship grows deeper, Norah realizes Luke deserves a normal girl. One who can lie on the front lawn and look up at the stars. One...

When her best friend's cancer returns in the summer of 1987, none of her usual pursuits--surfing, singing, or reading poetry--can keep thirteen-year-old Ava afloat.

"Dabbling in fairy magic has led Artemis Fowl to develop the Atlantis Complex (aka multiple-personality disorder). And now, with the subterranean city of Atlantis under attack from vicious robots, he is too nice to be of use to anyone. Can Holly get devious Artemis back before they strike?"--

Seventeen-year-old Sticky lives for basketball and plays at school and at the Lincoln Rec Center in Los Angeles but he is unaware of the many dangers--including his own past--that threaten his dream of playing professionally.

"The instant Adam Spencer Ross meets Robyn Plummer in his Young Adult OCD Support Group, he is hopelessly, desperately drawn to her. Robyn has an hypnotic voice, blue eyes the shade of an angry sky, and ravishing beauty that makes Adam's insides ache. She's also just been released from a residential psychiatric program the kind for the worst, most difficult-to-cure cases; the kind that Adam and his fellow support group members will do anything to...

Having experienced compulsive behavior all her life, Lo's symptoms are getting her into trouble when she witnesses a murder while wandering dangerous quarters of Cleveland, Ohio, collecting things that do not belong to her, obsessing about her brother's death.