The adventures of Donald J. Sobol's amateur detective Encyclopedia Brown have been delighting puzzle and mystery lovers for over four decades-earning a special Edgar Award in the process. Here are 10 more devilishly clever noggin scratchers for young listeners to try and solve. Join Leroy "Encyclopedia" Brown as he keeps the streets of tiny Idaville free from petty crooks, ruffians, and altogether no-goodniks-all for 25 cents a day, plus expenses....

Before becoming the first female private investigator in Botswana, eight-year-old Precious Ramotswe tracks down a thief who has been stealing her classmates' snacks.

When seemingly unrelated and strange events start to happen and a precious Vermeer painting disappears, eleven-year-olds Petra and Calder combine their talents to solve an international art scandal.

Nine-year-old Nicholas Benedict, an orphan afflicted with an unfortunate nose and with narcolepsy, is sent to a new orphanage where he encounters vicious bullies, selfish adults, strange circumstances, and a mystery that could change his life forever.

Sixth-grader Ben Pratt's life is full of changes that he does not like--his parents' separation and the plan to demolish his seaside school to build an amusement park--but when the school janitor gives him a tarnished coin with some old engravings and then dies, Ben is drawn into an effort to keep the school from being destroyed.

The absent author: Dink Duncan and his two friends investigate the apparent kidnapping of famous mystery author Wallis Wallace. The bald bandit: Third-grader Dink and his detective friends hope to receive a big reward by finding the person whose video recorder picked up a picture of the local bank robber. The canary caper: Dink and his friends investigate why pets, like Mrs. Davis's canary, Mozart, are mysteriously disappearing all over town.

"Lockwood & Co. are hired to investigate Edmund Bickerstaff, a Victorian doctor who reportedly tried to communicate with the dead, while Lucy is distracted by urgent whispers coming from the skull in a ghost jar"--

Twelve-year-old Teddy Fitzroy is the prime suspect when FunJungle's newly-acquired koala goes missing, thanks to a prank staged by middle school bully Vance Jessup.

"Everything about this trip to Grandma's house was different: First, because of the fire, Mrs. Treski, Evan, and Jessie had driven up to Grandma's two days after Christmas instead of the day before, missing Christmas with Grandma entirely. Second, the fire had left a hole in the back kitchen wall big enough to drive a car through! And with Grandma in the hospital and not in her house, everything felt off. Third, someone had climbed the long, slow...

Meet Timmy Failure, the founder, president, and CEO of the best detective agency in town, probably the nation. And his lazy sidekick, Total, a 1,500-pound polar bear.