mystery and detective stories

"Learning about paleontology and fossil hunting under renowned scientist Dr. Iris Prez while attending summer camp in Colorado, the Aldens investigate an outbreak of strange events that local superstition attributes to a bigfoot creature roaming the valley"--OCLC.

"It's been months since Levi and Kat defeated the Boojum and rescued their town's forgotten children. But now the strangeness has started again: hundreds of creepy snowmen pop up across town and a bizarre blizzard hits the day before spring break. Being trapped in the school overnight by freak weather is bad enough. But an evil is lurking . . . one far worse than ice and wind. Worse than power outages. Even worse than being stuck with teachers and annoying classmates. Something is roaming the darkened school halls. Something . . . hungry. Now it's up to a small group of student survivors--along with some supernatural helpers--to uncover the cold-hearted menace before it takes the entire school"--Amazon.com.

Moving to Vermont the summer after seventh grade, a young gymnast hides a secret as she makes new friends and investigates her grandmother's claim that someone is trying to destroy her cricket farm.

"Someone is messing with the Museum of Natural History, mixing human models from the new Pleistocene Megafauna in with the dinosaur exhibits, and Wilson Kipper, whose mother works in the museum as a paleontologist, and his friends are determined to find out who is responsible for the anti-science vandalism--the new professor, her nasty daughter, or someone else entirely"--OCLC.

When a Connecticut teenager inherits vast wealth and an eccentric estate from the richest man in Texas, she must also live with his surviving family and solve a series of puzzles to discover how she earned her inheritance.

Fifth-graders Parker and Lucas get more than they bargained for when they seek to debunk one of Wolver Hollow's greatest legends about a haunted mustache that, every year on the anniversary of its owner's death, seeks a lip to claim as its own.

"Six months ago, Mars Patel boarded a spaceship to travel to Oliver Pruitt's colony on the planet Mars, and now he's finally there. The journey gave Mars lots of time to bond with his copilots, but Mars and his new friends soon discover that Pruitt's colonists aren't the only people living on the inhospitable planet. A splinter group, led by the mysterious Fang, are desperate to go back to Earth--and they don't care who they hurt in the process. Amid the slick subterranean colony filled with rules and giant, terrifying tardigrades who poop a lot, Mars searches for answers about Oliver Pruitt's supposed plans--and the real reason the eccentric billionaire has been so invested in him all this time"--Dust jacket.

The local police prove unhelpful when a 500-pound dinosaur skull vanishes from a secret excavation on Sage's family's ranch, so Teddy and his friends conduct their own investigation.

Convinced that this will be the perfect summer, 12-year-old Peyton finds her life taking a dramatic detour when she becomes obsessed with finding the driver responsible for the hit-and-run accident that left a (cute) boy in a coma.

"Scholarship student Rachel keeps to herself at Manchester Prep, preferring the company of horror films to trust fund babies. When a prank puts her on the radar of a mysterious student society, 'The Mary Shelley Club', they subject her to a number of escalating Fear Tests which eventually puts them on the radar of a serial killer"--OCLC.