When Mr. Hardy disappears while investigating a mystery surrounding a vacant house rumored to be either haunted or an abode for criminals, the Hardy Boys search for the truth.

America's Sherlock Holmes in sneakers continues his war on crime in ten more cases, the solutions to which are found in the back of the book.

Nancy Drew sets out to prove that her father's client was unjustly accused of trying to sabotage the United States space program.

When Nancy attends a wedding in Boston, she encounters a marriage marred by mischief. The groom may have stolen the bride's heart, but a thief has made off with her antique lace veil!

The solutions to 10 mysteries solved by Leroy "Encyclopedia" Brown are given in a separate section challenging the reader to match wits with the 10-year-old mastermind of Idaville's war on crime.

Someone's pulling a million-dollar swindle, and getting Nancy and her friends out of the way seems to be the icing on the cake.

Nancy, Bess, and George are staying at a rustic lodge in Wyoming, looking forward to fun winter sports like skiing and dogsledding. But their vacation plunges into mystery when Rainbow, the lodge's pet tame wolf, suddenly disappears, leaving her five newborn pups motherless.

Alice Ogilvie's disappearance last summer is the biggest scandal at Castle Cove High School--until her ex-boyfriend is accused of murdering his new girlfriend, and Alice must pair up with her tutor Iris Adams to clear his name by relying on the wisdom ofAgatha Christie.

After his best friend is murdered, seventeen-year-old Booger realizes he is the only one who has any idea who might have committed the crime--but he doesn't dare tell anyone.

Hired to locate an old Spanish cannon, the Hardy brothers uncover an even greater treasure after perilous underwater adventures.