Do you like a little mystery on your bookshelf? Check out these four titles for the little sleuths in your life!

The Wolf in Underpants

Interest Level: Grade 2 – Grade 5
In this witty graphic novel, a community of forest animals trades scary rumors about a nearby wolf. Some critters have even gone into business selling wolf traps and anti-wolf fences. But when the wolf appears in a pair of striped underpants, everyone rethinks their fears. This is a heartwarming story about understanding differences, told with an oddball sense of humor.

Owl’s Outstanding Donuts

Interest Level: Grade 3 – Grade 6
Robin Yardi, author of The Midnight War of Mateo Martinez, tells a story full of mystery, feathers, and sprinkles. After Mattie Waters loses her mother, she goes to live with her aunt, the owner of a roadside donut shop in Big Sur, California. When an owl taps on Mattie’s window one night, Mattie looks out to see something suspicious taking place nearby. With help from her friends—and from Alfred, a stuffy but good-hearted owl—she’ll set out to find the culprits, facing fears that have followed her since her mother’s death.

The Maypop Kidnapping: A Quinnie Boyd Mystery

Interest Level: Grade 4 – Grade 8
In the coastal village of Maiden Rock, Maine, Quinnie Boyd’s teacher has disappeared. Quinnie thinks it’s a kidnapping case, but her mom, the town sheriff, just thinks the teacher has left town. Still, Quinnie’s going to follow her instincts that something’s wrong.

Her investigation takes her through a damp and smelly marsh, a lobster pound, and more of Maine’s messiest places. She even gets help from her glamorous new neighbor, Mariella. As the girls hunt for clues around Maiden Rock, they encounter a cast of unlikely characters. And if Quinnie’s hunch is right, the search may lead them right into danger . . .

This hilarious and page-turning debut is the perfect whodunit story for middle school sleuths.

Vampires on the Run: A Quinnie Boyd Mystery

Interest Level: Grade 4 – Grade 8
In the months after Quinnie Boyd cracked the mystery of her missing teacher, she expected life in her small Maine town to snap back to normal. But two writers from New York City have arrived in Maiden Rock, and there’s something not quite right about them. Sure, Ceil and Edgar are pale. And they dress in all black. And they don’t go near the sunlight. But could they really be vampires? To find out, Quinnie turns to Dominic—a new kid in town who’s an expert on everything geeky. Together, they’ll risk their necks to find an answer . . .