A fifth-grader with a photographic memory and her friend Eric help solve the mystery of the stolen diamonds.

Fifth-grader "Encyclopedia" Leroy Brown solves ten mysteries and, by putting the solutions at the back of the book, challenges the reader to do the same.

Ten mysteries for ten-year-old Encyclopedia Brown, his partner, Sally, and the reader to solve. Solutions are given at the back of the book.

The solutions to ten mysteries solved by Leroy "Encyclopedia" Brown are given in a separate section challenging the reader to match wits with the ten-year-old mastermind of Idaville's war on crime.

While using her photographic memory to find her missing science fair project, Cam accidentally locates two valuable gold coins.

Nine mystery stories. In The Mystery of the Spanish Chest, detective Hercule Poirot unravels the psychological conundrums that motivate a killer, while in The Edge a woman must decide whether to follow her heart or her conscience.

The investigation into the death of a Minneapolis Internal Affairs cop is supposed to be a formality, but when Sam Kovac begins to look into the details of his death, he uncovers a secret life that may have threatened the cop's life.

"Doug Weaver is a defense attorney who always believes the best of his clients, and Jacob Cohen, on trial for murder, is no exception. Jacob may be homeless and mentally ill, but Doug can't imagine that this meek and intensely religious man could have killed and dismembered a woman. Yet Bernard Cashman, a forensic expert at the Oregon State Crime Lab, finds evidence that indisputably connects Cohen with the crime." "Frustrated and confused, Doug consults...

A plot to steal a top-secret instrument vital to the United States space program poses a challenging case for Frank and Joe Hardy. After rescuing a South American stowaway who mutters a warning about “Footprints “ and then vanishes, Frank and Joe discover that documents belonging to their famous detective father are missing and that footprints linger under a window. The young detective’s search for the diabolical mastermind of the...

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,...