Hardly a day passes without Trille and Lena inventing some kind of adventure that often ends in trouble. Whether it's coaxing a cow onto a boat or tobogganing down the steepest and iciest hill with a chicken, there is always a thrill - and sometimes an injury - to be had. Trille loves to share everything with Lena, even Auntie Granny's waffles, which make everything just perfect. But when Lena has to move away, and Auntie Granny leaves the world, it sometimes seems nothing will ever be right again.

Trille and Lena may be getting older, but they still find everyday adventure - and trouble - in their coastal village, including sinking every raft they build, getting little sisters stuck up flag poles, and attending those dreaded music lessons. But that’s not all. The arrival of a less-than-encouraging new soccer coach is putting twelve-year-old Lena's goalkeeping career in doubt. And Trille is wondering how to impress the girl who has just joined his class. 

During the German occupation of France, 20 French children were brought to a refuge in the mountains. One day a young man came to their school with a request: Could they take in, and hide, 10 Jewish refugee children? Sister Gabriel spoke up. "The Nazis are looking for those children. If we take them we must never let on they are here. Do you understand?" Of course the children understood - but how would they hide them if the Nazis came?

When Fionn Boyle sets foot on Arranmore Island, it begins to stir beneath his feet.... Once in a generation, Arranmore Island chooses a new Storm Keeper to wield its power and keep its magic safe from enemies. The time has come for Fionn’s grandfather, a secretive and eccentric old man, to step down. Soon, a new Keeper will rise. But deep underground, someone has been waiting for Fionn. As the battle to become the island’s next champion rages, a more sinister magic is waking up, intent on rekindling an ancient war.

Harlem is home to all kinds of kids. Jin sees life passing her by from the window of her family's bodega. Alex wants to help the needy one shelter at a time but can't tell anyone who she really is. Elvin's living on Harlem's cold, lonely streets, surviving on his own after his grandfather was mysteriously attacked. When these three strangers join forces to find out what happened to Elvin's grandfather, their digging leads them to an enigmatic artist whose missing masterpieces are worth a fortune.

Since her mother's disappearance, 11-year-old Tilly Pages has found comfort in the stories at Pages & Co., her grandparents' bookshop. But when her favorite characters, Anne of Green Gables and Alice from Wonderland, start showing up at the shop, Tilly's adventures become very real. Not only can she follow Anne and Alice into their books, she discovers she can bookwander into any story she chooses. Tilly's new ability leads her to fun and exciting adventures, but danger may be lurking on the very next page....

Galileo. Newton. Salk. Oppenheimer. Science can change the world...but can it go too far? Eleven-year-old Ellie has never liked change. She misses fifth grade. She misses her old best friend. She even misses her dearly departed goldfish. Then one day a strange boy shows up. He’s bossy. He’s cranky. And weirdly enough...he looks a lot like Ellie’s grandfather, a scientist who’s always been slightly obsessed with immortality. Could this pimply boy really be Grandpa Melvin? Has he finally found the secret to eternal youth?

When 11-year-old Stella Rodriguez shows up at NASA to request that her recording be included in Carl Sagan's Golden Record, something unexpected happens: A black hole follows her home and sets out to live in her house as a pet. The black hole swallows everything he touches, which is challenging, to say the least - but also turns out to be a convenient way to get rid of those items that Stella doesn't want around.

Piper’s life is turned upside down when her family moves into a shelter in a whole new city. She misses her house, her friends, and her privacy - and she hates being labeled the homeless girl at her new school. But while Hope House offers her new challenges, it also brings new friendships, like the girls in Firefly Girls Troop 423 and a sweet street dog named Baby. So when Baby’s person goes missing, Piper knows she has to help.

All her life, Edie has known that her mom was adopted by a white couple. So, no matter how curious she might be about her Native American heritage, Edie is sure her family doesn’t have any answers. Until the day when she and her friends discover a box hidden in the attic - a box full of letters signed "Love, Edith", and photos of a woman who looks just like her. Suddenly, Edie has a flurry of new questions about this woman who shares her name. Could she belong to the Native family that Edie never knew about?

Two boys - one white, one Indian American - gain strength from each other from afar as they struggle to navigate middle school, family, and friendships.

This summer the Penderwick sisters have a wonderful surprise: a holiday on the grounds of a beautiful estate called Arundel. Soon they are busy discovering the summertime magic of Arundel's sprawling gardens, treasure-filled attic, tame rabbits, and the cook who makes the best gingerbread in Massachusetts. But the best discovery of all is Jeffrey Tifton, son of Arundel's owner, who quickly proves to be the perfect companion for their adventures.

It is 1940 and William, 12, Edmund, 11, and Anna, nine, aren't terribly upset by the death of the not-so-grandmotherly grandmother who has taken care of them since their parents died. But the children do need a guardian, and in the dark days of World War II London, those are in short supply, especially if they hope to stay together. Could the mass wartime evacuation of children from London to the countryside be the answer? 

Along with Wit, Charm, Health, and Courage, Princess Amy of Phantasmorania receives a special fairy christening gift: Ordinariness. Unlike her six beautiful sisters, she has brown hair and freckles, and would rather have adventures than play the harp, embroider tapestries . . . or become a Queen. When her royal parents try to marry her off, Amy runs away and, because she's so ordinary, easily becomes the 14th assistant kitchen maid at a neighboring palace.

A century before Heather and Picket's adventures in The Green Ember, a displaced community fights for hope on the ragged edge of survival. Whitson Mariner and Fleck Blackstar face old fears and new enemies, forging a legend that will echo through the ages.