mystery and detective stories

"When on the first day of middle school Principal Kim announces a Contraption Convention, young inventor Rube Goldberg must conquer his anxieties and a ghostly mystery to come up with something brilliant for the judges and his friends"--OCLC.

The Cayuga Island Kids learn about sorting through research and clues to ensure information is factual as they deal with faulty assumptions, missing facts, flour bugs, and chocolate chip cookies.

On the first day of summer vacation, four mystery-loving friends on a small island are seeking a dogwood tree when they unearth a remnant of a famous battleship built in the 1600s.

The cradle of civilization is being drained of life--by a vampire! Amy, Elena, and Marcus use T?o's time machine to venture back to ancient Mesopotamia, where a vampire is plaguing the Mesopotamian people and their crops. Can the team solve the mystery of the damaged crops and keep the people--and the vampire--safe? This graphic novel includes monster profiles and survival tips as well as in-depth content on the social structure, government, and fashion of the Mesopotamian civilization. Backmatter includes an activity page and character information.

In 1942, twelve-year-old Stick Lawson and her two best friends, Rain and Neb, set out to discover the Nazi spies they believe are helping orchestrate U-boat attacks on American ships off the coast of Hatteras Island.

"When Hayley gets the lead role in a new TV show called Sadie Solves It, she's so excited...even if there are rumors of hauntings surrounding the Silver Screen Studios. It's LA, she thinks--there are ghost stories everywhere! But to her surprise, strange things actually start happening as production ramps up. Lights flicker, cold blasts of air come out of nowhere, and one day the electricity is cut to the studio entirely with no clear cause. Can Hayley and her two best friends solve the mystery of the haunted studio...before it means curtains for their show?"--Provided by publisher.

Dare Detectives, an agency started by Maria Dare, is going out of business after their first case gets their license revoked, but the company gets a second chance when their dinner is interrupted by Madame Bleu and her abominable snowmen.

Accused of murdering his girlfriend, who disappeared after they were in an accident, Hunter Gifford races against time to clear his name, putting his freedom, family and life at risk, as his former best friend makes a true-crime documentary condemning him.

"When rare paintings go missing, the InvestiGators are called on the scene...the art scene! Mango and Brash go undercover and under canvas as internationally renowned painters to expose a crook who has truly mastered the art of crime! Can they recover the missing masterpieces and save the city art museum's fundraising gala before it's too late...and they run out of appetizers?"--Provided by publisher.