Ten-year-old Leo's future and the fate of the extraordinary Whippet Hotel, where his father is the maintenance man, are at stake when a series of cryptic boxes leads Leo to hidden floors, strange puzzles, and unexpected alliances.

As Christmas approaches, eleven-year-old Rose, the youngest member of the eccentric Casson family, discovers that life is filled with both catastrophic problems and wonderful surprises.

The McCready sisters have just settled into their new home on Pine Island when they get word that an unwelcome houseguest is coming to visit for months.

"At Great Rapscott School for Girls of Busy Parents, Ms. Rapscott teaches her students How to Get Lost on Purpose, resulting in a series of fantastical adventures that makes each learn a little something about courage, strength, bravery, and teamwork"--

When August DuPont, eleven, leaves his eccentric Aunt Hydrangea's crumbling mansion for the first time ever, he meets family, makes a friend, and attracts a zombie.

Welcome, boys and girls, readers of all ages, to the first-ever Library Olympiad! Kyle and his teammates are back, and the world-famous game maker, Luigi Lemoncello, is at it again! This time Mr. Lemoncello has invited teams from all across America to compete in the first ever LIBRARY OLYMPICS. Will it be fun? Like the commercials say ... HELLO? It's a Lemoncello! But something suspicious is going on ... books are missing from Mr. Lemoncello's library....

Rose, nearly sixteen, is used to traveling around with her alcoholic father but connects with the people of a small, coastal Australian town, especially classmate Pearl and reclusive Edie, who teaches her to sew a magical dress for the Harvest Festival while a mystery unfolds around them.

"Rion Kwirk comes from a rather odd family. His mother named him and his sisters after her favorite constellations, and his father makes funky-flavored jellybeans for a living. One sister acts as if she's always on stage, and the other is a walking dictionary. But no one in the family is more odd than Rion's grandfather, Papa Kwirk. He's the kind of guy who shows up on his motorcycle only on holidays handing out crossbows and stuffed squirrels as...

Armed with a photographic memory, twelve-year-old detective Agatha Mistery heads to India to assist her uncle Raymond--a wildlife photographer and a snake charmer--on a mission to find the famous Pearl of Bengal, an ancient artifact that was stolen from the temple of the Hindu goddess Kali.

Tom Angleberger's latest, loopiest middle-grade novel begins when M'Lady Luggertuck loosens her corset (it's never been loosened before!), thereby setting off a chain of events in which all the strict rules of Smugwick Manor are abandoned. When, as a result of 'the Loosening,' the precious family heirloom, the Luggertuck Lump (quite literally a lump), goes missing, the Luggertucks look for someone to blame. Is it Horton Halfpott, the good-natured...