Hoping to return home after a winter in the Sudden Mountains so he can join his parents in the fight against the evil Chancellor, Raffa must use his apothecary skills while enlisting the help of human and animal friends to survive the journey.

The Earth is in the grip of a new Ice Age, and when twelve-year-old Eleanor's scientist mother disappears in the Arctic, Eleanor sets off on a dangerous journey to find her--and uncovers a mystery, a crime, and evidence that Earth has been visited by extraterrestrials.

"Scout, once a stray puppy with a troubled past, has grown into one of the best search-and-rescue dogs in Mississippi. And now he's ready for bigger and better things: Scout is joining the National Guard. But Scout's new life as a K9 recruit is far from easy as he adjusts to his challenging training and a brand-new family. Twelve-year-old Matt is determined to help Scout feel at home in Nevada, but when a terrifying flash flood hits town, the pair...

"Ana Dakkar is a freshman at Harding-Pencroft Academy, a five-year high school that graduates the best marine scientists, naval warriors, navigators, and underwater explorers in the world. Ana's parents died while on a scientific expedition two years ago, and the only family she has left is her older brother, Dev, also a student at HP. (And they've heard all the Harry Potter jokes already, so don't go there.) Ana's freshman year culminates with the...

"Winslow and Rosie are collectors who can find nearly anything. Their impressive collection of natural wonders is almost complete -- it's just missing one final piece. So the girls pack their gear and set off on a quest through the forest to find something extraordinary. Their journey takes them further than they have ever explored, all the way to a mysterious cave. Surely, a mysterious cave must hold something extraordinary ... "--

Sophie finds a four-leaf clover that isn't exactly lucky in the seventh book of The Adventures of Sophie Mouse! Sophie Mouse is painting in Clio's Clover patch on a beautiful spring day when she spots something unusual. It's a clover ... but it has four leaves! Four-leaf clovers are supposed to bring good luck, right? Sophie waits and waits for this good luck, but it seems like just the opposite is happening. She spills paint all over herself, she...