Donald J. Sobol’s pint-sized amateur detective has been a hit with young readers for over three decades. For 25 cents a day—plus expenses—Encyclopedia Brown will solve any case, big or small for the kids in his neighborhood. He also secretly works with his police chief father to crack the toughest investigations and keep the streets of Idaville safe. Here are 10 more beguiling mysteries that will have listeners scratching their heads.

Something is not right in Bayport. After a series of unfortunate (yet harmless) pranks, it looks like Frank and Joe have caught their suspect surprisingly early. Their classmate, Seth Diller, has taken his love of filmmaking a bit too far. But shortly after Frank and Joe confront Seth, there are fresh outbreaks of Seth-like pranks. Except these aren't as harmless. After a bit of investigating, the Hardy Boys uncover evidence of the Red Arrow - a group that will stop at nothing to bring chaos and crime to Bayport's peaceful existence.

Is your school just a little too…NORMAL? Maybe you should go to Wayside School. You'll meet Bebe, the fastest draw in art class; John, who only reads upside down; and Sammy, the new kid—he's a real rat. Come on! Hurry up! If you're late for class, Mrs. Gorf will turn you into an app…Oops. Sorry about that. More than 6 million kids have laughed at the wacky stories of Wayside School.

One warm night four children stood in front of a bakery. No one knew them. No one knew where they had come from. Henry, Jessie, Violet, and Benny are orphans. Can they find a home where they can stay together as a family? 

Henry, Jessie, Violet, and Benny didn't think the old trunk in their house held anything interesting. But an unusual statue they find inside leads them to the Reddimus Society, a secret guild dedicated to returning lost treasures to where they belong. Now the Aldens must help their new friends by traveling across the country with the statue and six mysterious boxes! Can the Boxcar Children keep these seven treasures out of the wrong hands?

The Aldens are spending their first week of summer at Camp Quest in Colorado. The children are excited to learn about fossil-hunting and paleontology from renowned scientist Dr. Iris Perez. But strange events at the camp make them wonder if the legends of a bigfoot-like creature roaming the valley might be more fact than fiction. Can the Aldens help Dr. Iris figure out who - or what - is causing such a stir?

Dear Diary...Bess, George, and I are actually in Alaska! Everywhere you look, there are massive mountains and sparkling, deep-blue waters. We're on the maiden voyage of the Arctic Star luxury cruise ship, and my old friend, Becca Wright, the assistant cruise director, needs our help. She received threatening emails before even setting sail; then a bloody body turned up in the swimming pool.

'Dear Father Christmas, I'm very sorry that you couldn't come last year because the chimney was bricked up. We asked Pa to unblock it, so you could get down this time, but he said he couldn't because the wind would come in and we'd all be very cold.' Christmas is nearing, and for two little mice called Tumtum and Nutmeg it is a very busy time of year. There are cakes to bake and hams to glaze and ants to sugar.

The Penderwick Sisters are home on Gardam Street and ready for an adventure! But the adventure they get isn't quite what they had in mind. Mr. Penderwick's sister has decided it's time for him to start dating, and the girls know that can only mean one thing: disaster. Enter the Save-Daddy Plan, a plot so brilliant, so bold, so funny that only the Penderwick girls could have come up with it. It's high jinks, big laughs, and loads of family warmth as the Penderwicks triumphantly return.

At first, it seems that Peter Hatcher's summer vacation is going to be a scene from his worst nightmare. Peter's parents have decided to spend three weeks in Maine sharing a house with Cootie Queen Sheila Tubman and the rest of her family. Worse, Peter's younger brother, Fudge, the five-year-old human dynamo, has decided to marry Sheila! But things begin to look up once Peter discovers that Maine is full of surprises, and his best friend Jimmy Fargo joins him at the shore to share in the fun!

This delightfully imaginative tale is always a popular favorite among children. Mrs. Frisby, a field mouse who lives in a garden, must move her family before the farmer begins plowing. Will the rats of NIMH - a group of highly intelligent laboratory rats - help her find a solution to her dilemma?

When my old friend Professor von Volt called to ask for help, I agreed immediately, even though it meant trekking halfway around the world to Mouse Everest! The trip was long and dangerous. I almost froze my tail off along the way. And then I was kidnapped by a yeti! Yes, it was truly an amazing adventure.

Sixth grader Greg Heffley doesn't understand his annoying younger brother, obnoxious older one, or well-meaning parents. But he knows enough to record his daily thoughts in a manly journal - not some girly diary. In a unique novel brimming with laugh-out-loud moments, Greg chronicles his first turbulent year of middle school.

Hidden in the broom cupboard of Rose Cottage is the most delightful little house. Shh, it’s a secret. No one knows it’s there... This is the home of Tumtum and Nutmeg... When Arthur and Lucy are sent to stay with their Uncle Jeremy at the seaside, Tumtum and Nutmeg decide to go along and keep an eye on them. But then the mice stumble upon an abandoned doll’s house and a mysterious treasure map - and all sorts of adventures unfold!

Swallows and Amazons, the book that started it all in 1930, introduces the Walker family, the camp on Wild Cat Island, the able-bodied catboat "Swallow," and the two intrepid Amazons, plucky Nancy and Peggy Blackett.