Gennifer Choldenko

Kirsten's parents are barely speaking to each other, and her best friend has fallen under the spell of the school's queen bee, Brianna. It seems like only Kirsten's younger science-geek sister is on her side. Walker's goal is to survive at the new white private school his mom has sent him to because she thinks he's going to screw up like his cousin. But he's a good kid. So is his friend Matteo, though no one knows why he'll do absolutely anything...

A funny, fast-paced, and heartfelt story from the Newbery Honor-winning author of the Al Capone series.
Fifth grade is not for amateurs, according to Liam. Luckily, he knows that being more than one-third nerd is not cool. Liam lives in the Bay area near San Francisco with his mom and two younger sisters. Dakota is fascinated by science and has a big personality but struggles to make friends; Izzy, a child with Down syndrome, makes friends...

Questions can be tricky things. Everyone has their own way of dealing with them. India Tompkins can charm her way out of answering most of them. Finn Tompkins is too quiet to be asked in the first place. And Mouse Tompkins? She’s a genius—she’s used to having all the answers.
But when they find themselves trapped in Falling Bird—a city seemingly without logic—the Tompkins kids are facing a whole slew of impossible...

"Moose Flanagan, who lives on Alcatraz along with his family and the families of the other prison guards, faces new challenges when his father is promoted to Associate Warden"--

Too shy to approach the girl he likes, Jackson hides little gifts for her to discover before Valentine's Day.

Thirteen-year-old Lizzie and her secret friend Noah, who is hiding in her house, plan to rescue Noah's father from the quarantined Chinatown, and save everyone they love from contracting the plague that is spreading in 1900 San Francisco.