Teenage detective Nancy Drew uses her courage and powers of deduction to solve the mysterious happenings in an old stone mansion.

Mickey and new friends Ema and Spoon tracking down pieces of a mysterious puzzle and learning dangerous secrets about Mickey's father's death.

Welcome to Inspector Flytrap's Detective Agency, home to the world-renowned solver of BIG DEAL mysteries. Inspector Flytrap, a Venus flytrap, works tirelessly with his assistant Nina the Goat, a goat, on his community's unsolved cases. There's no case too big, but there are definitely cases too small for this endearingly self-important plant detective. On his first caper, Inspector Flytrap heads to the Art Museum's Secret Lab, to discover what important...

Challenges readers to solve ten mysteries using the same clues as the ten-year-old detective Encyclopedia Brown, with answers given in a separate section.

An anonymous diary is a mystery with handwriting that is difficult to decipher. It is filled with technical drawings and chemical formulas. Was the destructive explosion an accident or an act of revenge?

It was a beautiful day. It was a beautiful field. Except for the body. Jazz is the son of the world's most infamous serial killer, and for Dear Old Dad, "Take Your Son to Work Day" was year-round. Jazz has witnessed crime scenes the way cops wish they could-from the criminal's point of view. Now, with bodies piling up in the sleepy town of Lobo's Nod, Jazz must work with the police to prove that murder doesn't run in the family.

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.

"Bizarre murders are discovered in the castle of Prince Vlad the Impaler, otherwise known as Dracula. Could it be a copycat killer...or has the depraved prince been brought back to life?"--

When the Alden children go camping on Blizzard Mountain, a place said to be inhabited by a ghost looking for buried treasure, they begin to think someone or something is trying to scare them off.

At an old library, the Alden children discover a boy who needs their help and a stranger who is after a valuable object they found in the library.