Bowser the mutt lives with eleven-year-old Birdie Gaux and her grandmother in the normally quiet Louisiana bayou town of St. Roch, but news that a Bull shark has somehow made its way into the swamp has everyone excited, and the cash bounty for landing the shark has lured some very shady characters into town--one hunter in particular is prepared to go to any lengths to collect the money.

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

Nate the Great investigates the disappearance of a homemade pillowcase belonging to Rosamond's cat Big Hex.

In the 1920s, a ten-year-old newsgirl who aspires to be a reporter at the Chicago Tribune investigates the murder of a gangster.

"The villagers of Chipping Cleghorn are agog with curiosity when the Gazette advertises "A murder is announced and will take place on Friday, October 29th, at Little Paddocks at 6.30 p.m." A childish practical joke? Or a spiteful hoax? Unable to resist the mysterious invitation, the locals arrive at Little Paddocks at the appointed time when, without warning, the lights go out and a gun is fired. When they come back on, a gruesome scene is revealed....

Winston and his friends enter an all-day puzzle contest to win fifty-thousand dollars for their school, but they must also figure out who is trying to keep them from winning. Puzzles for the reader to solve are included throughout the text.

Nate the Great investigates the mysterious disappearance of the purple plastic octopus that his baseball team uses for second base.

Twelve-year-old Lizzie Durango lives in a zoo, spending her days taking note of the animals' behaviors, then she meets runaway Tyler Briggs and together they investigate the wolves who are suddenly dying.

Sir Stafford Nye's journey home from Malaya to London takes an unexpected twist in the passenger lounge at Frankfurt -- a young woman confides in him that someone is trying to kill her. Yet their paths are to cross again and again -- and each time the mystery woman is introduced as a different person. Equally at home in any guise in any society she draws Sir Stafford into a game of political intrigue more dangerous than he could possibly imagine....

In the midst of a series of unexplained accidents and mysterious coincidences, sixth-graders Calder, Petra, and Tommy lead their classmates in an attempt to keep Frank Lloyd Wright's famous Robie House from being demolished.