When Ruth Rose and her friends, vacationing in Florida, discover that her grandmother is about to invest in a project to recover sunken treasure, they stumble upon evidence that the entire plan may be a fraud.

Ten brief cases allow the reader to match wits with ten-year-old crime-buster, Encyclopedia Brown, as he locates stolen jewels, retrieves a stuffed tiger, and more. Solutions are included at the back of the book.

"Called upon to investigate thirteen suspicious incidents in Stain'd-by-the-Sea, young Lemony Snicket collects clues, questions witnesses, and cracks every case"-- Provided by publisher.

Lunch Lady and Betty have been fired but the Breakfast Bunch convinces them to return and stop the school's new superindendent and her minions from carrying out an evil plan for revenge.

"Dashiell Gibson, who lives on Moon Base Alpha, has to solve a murder of one of the moon's most prominent doctors"-- Provided by publisher.

Dink and his two friends help Lucky find the culprit who stole Lucky's winning lottery ticket.

Nancy Drew has to find the mysterious ghost that seems to be haunting Twin Elms, and make sure no more prized possessions disappear under her nose.

In the fading town of Stain'd-by-the-Sea, young apprentice Lemony Snicket has a new case to solve when he and his chaperone are hired to find a missing girl. Is the girl a runaway? Or was she kidnapped? Was she seen last at the grocery store? Or could she have stopped at the diner? Is it really any of your business? These are All The Wrong Questions.

Triggered by the disappearance of a brilliant young professor, this mystery takes the Hardy boys first to Kenworthy College, where they find a puzzling message on an examination paper. But then, a new clue is unearthed that sends the young detectives to the Honeycomb Caves. After many dangerous encounters,  Frank and Joe discover a powerful searchlight in one of the craggy caverns along the seacoast. In the brilliant white glare of the searchlight,...

Dink, Josh, and Ruth Rose investigate a mysterious man in black who Josh believes is a vampire.