It is the Year of the Wood Dragon, and the ingenious Mike Brink has been invited to Tokyo, Japan, to open the legendary Dragon Box. The box was constructed during one of Japan's most tumultuous periods, when the samurai class was disbanded and the shogun lost power. In this moment of crisis, Emperor Meiji locked a priceless Imperial secret in the Dragon Box. Only two people knew how to open the box--Meiji and the box's sadistic constructor--and both...

When her former best friend gets popular and leaves her behind, sixth-grader Ruth prefers to be alone, studying for the school spelling bee, until she finds a riddle in an old book.

Dolphins at Daybreak begins the third set of four books in this magical (and increasingly popular) series! Jack and Annie are off in the Magic Tree House again, this time to a whole new world under the ocean. Complete with a giant octopus, a hungry shark, and dolphins to the rescue, this Magic Tree House book delivers an underwater adventure kids can dream about.

"Former beauty queen and fledgling private investigator Madeline Maclin, has married her best friend, Jerry Fairweather, and settled into his old house in the small town of Celosia, North Carolina...And now Madeline is involved in the mysterious death of Amelia Lever, an unpopular teacher at Celosia Elementary School...And then there's Maddy's latest case. Nathan Fenton has hired her to help solve a riddle left to him by his Uncle Elijah, a man who...

Newlywed American heiress Penny Nichols and her English husband Jeremy Laidley return from their honeymoon only to be sent by Prince Charles on a mission to Cornwall to solve an Elizabethan riddle and save an historic village from a developer's wrecking ball.

Yugi is a smaller than average high school student, and becomes an easy target for the bullies at school. He is given an ancient Egyptian riddle called the Millennium Puzzle by his grandfather who is a local game shop manager. Yugi pieces the puzzle together and unexpectedly becomes the powerful Game King. Now the heroic Yugi squares off against arch-rival Kaiba in an adventure even more dangerous when the imaginary monsters in their playing cards...

"Three years ago, Detective Saga Bauer received an ominous postcard describing a gun and nine white bullets--one of which was intended for her partner, Detective Joona Linna. The sender alleged that Saga was the only person who could save him. But as time passed, the threat faded. Until now. A sack with a decomposing body has been found hanging from a tree in the forest. A milky white bullet casing turns up at the scene. When the body count begins...

When an ancient evil threatens to devastate Rin, overcoming its people with a fatal sleeping sickness, young Rowan, with help from a tribe called the Travelers, must decipher a rhyming riddle in order to save the land and its inhabitants.

After a flying lizard carries off his little sister, Rowan of Rin and three companions are guided by a rhyming riddle on a journey to the land of their old enemy, the Zebak, in order to rescue her.

Destiny leads Rowan of Rin to make choices which could save a powerful crystal, thereby ensuring the safety of his people and his people's shore-dwelling allies.