In this intricate, magnificently imagined sequel to Blue Balliett's international best seller, Chasing Vermeer, supersleuths Petra and Calder, along with Calder's old friend, Tommy, are cryptically drawn into another art mystery, this time involving a Frank Lloyd Wright architectural masterpiece, the Robie House.

When Calder Pillay travels with his father to a remote village in England, he finds a mix of mazes and mystery - including an unexpected Alexander Calder sculpture in the town square. Calder is strangely drawn to the sculpture, while others in the village have less-than-friendly feelings toward it. Both the boy and the sculpture seem out of place...and then they dissapear!

When a book of unexplainable occurrences brings Petra Andalee and Calder Pillay together, strange things start to happen: seemingly unrelated events connect, an eccentric old woman seeks their company, and an invaluable Vermeer painting disappears.

Ghosts are alive on the island of Nantucket. You can hear them in the wind, and in the creaks of the old homes. They want to be remembered. And, even more, they want to protect what was once theirs. The ghosts seem to have chosen a few local kids to be their messengers - and to help save the island. But in this mystery, the line between those who haunt and those who are haunted is a thin one - and the past and the present must come to terms with one another in order to secure the future.

Where is Early's father? He's not the kind of father who you think would disappear. But he's gone. And he's left a whole lot of trouble behind. As danger closes in, Early, her mom, and her brother have to flee their apartment. With nowhere else to go, they are forced to move into Chicago's shelter system. Once there, Early starts asking questions and looking for answers. There are patterns and rhythms to what's happened, and Early might be the only one who can use them to track him down and make her way out of a very tough place.

When suburban Claudia Kincaid decides to run away, she knows she doesn't just want to run from somewhere she wants to run to somewhere--to a place that is comfortable, beautiful, and preferably elegant. She chooses the Metropolitan Museum of Art in New York City. Knowing that her younger brother, Jamie, has money and thus can help her with the serious cash flow problem she invites him along.

Zachary Ezra Rawlins is a graduate student in Vermont when he discovers a mysterious book hidden in the stacks. As he turns the pages, entranced by tales of lovelorn prisoners, key collectors, and nameless acolytes, he reads something strange: a story from his own childhood. Bewildered by this inexplicable book and desperate to make sense of how his own life came to be recorded, Zachary uncovers a series of clues - a bee, a key, and a sword.

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.

For 12-year-old Emily, the best thing about moving to San Francisco is that it's the home city of her literary idol: Garrison Griswold, book publisher and creator of the online sensation Book Scavenger (a game where books are hidden in cities all over the country and clues to find them are revealed through puzzles). Upon her arrival, however, Emily learns that Griswold has been attacked and is now in a coma, and no one knows anything about the epic new game he had been poised to launch.

What would happen if you discovered that your family was one of the most powerful in human history? What if you were told that the source of the family's power was hidden around the world, in the form of 39 Clues? What if you were given a choice - take a million dollars and walk away...or get the first Clue? If you're Amy and Dan Cahill, you take the Clue - and begin a very dangerous race.

Ellingham Academy is a famous private school in Vermont for the brightest thinkers, inventors, and artists. It was founded by Albert Ellingham, an early 20th century tycoon, who wanted to make a wonderful place full of riddles, twisting pathways, and gardens. "A place", he said, "where learning is a game." Shortly after the school opened, his wife and daughter were kidnapped. The only real clue was a mocking riddle listing methods of murder, signed with the frightening pseudonym "Truly, Devious".

For most of Tony Gilbert's life, he has thought of his uncle as "Weird Uncle Charlie". That is, until Uncle Charlie moves in with Tony and his family. Uncle Charlie is still odd, of course - talking about spirits and other supernatural stuff - but he and Tony become fast friends, and Tony ends up having a lot of fun with Uncle Charlie. When Uncle Charlie dies suddenly, Tony is devastated. Then he starts seeing Uncle Charlie everywhere!

Prosper and Bo are orphans on the run from their cruel aunt and uncle. The brothers decide to hide out in Venice, where they meet a mysterious thirteen-year-old boy who calls himself the "Thief Lord." Brilliant and charismatic, the Thief Lord leads a ring of street children who dabble in petty crimes. Prosper and Bo delight in being part of this colorful new family. But the Thief Lord has secrets of his own.

It was 1798 when the Morningstarr twins arrived in New York with a vision for a magnificent city: towering skyscrapers, dazzling machines, and winding train lines, all running on technology no one had ever seen before. Fifty-seven years later, the enigmatic architects disappeared, leaving behind for the people of New York the Old York Cipher - a puzzle laid into the shining city they constructed, at the end of which was promised a treasure beyond all imagining.

Go to The Dancing Men and ask for a saucer of milk for your snake. Then all will be revealed. That’s all the note says - before the ink disappears! Xena and Xander Holmes think living in London will be boring. But when they discover they’re related to Sherlock Holmes and inherit his unsolved casebook, life becomes much more exciting. The siblings set out to solve the cases their famous ancestor couldn’t, starting with the mystery of a prized painting that vanished 1000 years ago. Can two smart 21st-century kids succeed where the celebrated Sherlock Holmes could not?