Mr. Pin, the rock hopper penguin detective in Chicago, investigates two cases involving gargoyles and baseball.

Thirteen-year-olds Cooper Goodman and Justice and Liberty Gordon investigate the eccentric residents of Windy Bottom, Georgia, after the remains of Coop's long-missing grandmother are uncovered and his Gramps is the prime suspect.

"In 2001, Eoin Colfer published Artemis Fowl, a hilarious and rip-roaring science-fiction/fantasy adventure about a twelve-year-old criminal mastermind who kidnaps a fairy, Captain Holly Short of the LEPrecon Unit. But these aren't the fairies of bedtime stories; these fairies are armed and dangerous. Artemis thinks he has them right where he wants them... until they stop playing by the rules. The novel was an instant sensation and became the start...

"Anthony, George, and Lucy investigate new hauntings, track down assassins, and a new assistant joins Lockwood & Co"-- Provided by publisher.

Bowser is a mutt, just adopted by eleven-year-old Birdie Gaux and her grandmother, but when they all get home to Grammy's bait and tackle shop in the bayou they discover that their prize stuffed marlin has been stolen--so Bowser decides to investigate, and things quickly become complicated and dangerous.

"A terrible crime forces Lockwood to turn to Lucy for help, setting them on the trail of dark secrets at the heart of London society. Both professionally and personally, their investigation stirs up forces they may not be able to control..."--

"Haunted after helping her father on his ghost-themed Chicago bus tour, twelve-year-old Claire must discover what the spectral boy from the bus wants before it is too late"--Title verso page.

"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...

"Ophelia Harrison used to live in a small house in the Georgia countryside. But that was before the night in November 1922, and the cruel act that took her home and her father from her. Which was the same night that Ophie learned she can see ghosts. Now Ophie and her mother are living in Pittsburgh with relatives they barely know. In the hopes of earning enough money to get their own place, Mama has gotten Ophie a job as a maid in the same old manor...

"A witch called Old Auntie is lurking near Dan's family's new home. He doesn't believe in her at first, but is forced to accept that she is real and take action when his little sister, Erica, is 'took' to become Auntie's slave for the next fifty years"--