Central Kansas Library System

What dangers do runaway demigods Luke and Thalia face on their way to Camp Half-Blood? Are Percy and Annabeth up to the task of rescuing stolen goods from a fire-breathing giant who doesn't take kindly to intruders? Four short stories plus original art, interviews, puzzles, and games, reveal new insights into the world of Percy Jackson and the other heroes of Olympus.

Cryptography has been used since ancient times to send hidden messages. The MIS-X, the Enigma Machine, the Vigenere Cipher, and the Spartan Scytale are examples from history. For the average person, cryptography remains behind the scenes. It's intertwined in the everyday tasks that people complete online, on cell phones, and on other devices. But it is always there, thanks to the scholars and codebreakers who worked through the centuries to turn cryptography...

After receiving a wooden puzzle box at a town festival, twelve-year-old Kallie figures out how to open the box and finds that her fate seems to be connected to a young bone carver from another time.

It was only a few weeks ago that the Biedermann twins, Tess and Theo, along with their friend Jaime Cruz, followed the secrets of the Morningstarrs' cipher further than anyone had in its century-and-a-half history -- and destroyed their beloved home in the process. But the Old York Cipher still isn't solved. The demolition of 354 W. 73rd Street only revealed the next clue in the greatest mystery of the modern world, and if Tess, Theo, and Jaime want...

Hank must work on a huge homework packet during a family trip to North Carolina or he will spend the day with his father at a crossword puzzle tournament rather than riding roller coasters with his mother, sister, and friend Frankie.

Two eleven-year-old misfits try to solve the mystery of a dead magician and stop the evil Dr. L and Ms. Mauvais, who are searching for the secret of immortality. This is the story of a secret, and also a secret story. This is the story of Cass and Max-Ernest, two friendless 11-year olds who come together to solve the mystery surrounding a dead magician and the clues he left behind. When they find a mysterious case containing vials of liquid labeled...

Winston and his friends enter an all-day puzzle contest to win fifty-thousand dollars for their school, but they must also figure out who is trying to keep them from winning. Puzzles for the reader to solve are included throughout the text.

"Rebecca Zamolo has managed to foil the Game Master’s plans before, but this time the Game Master has snake-napped Nacho, her good friend Miguel’s pet. No way is Becca going to let the Game Master get away with this dastardly plan. But when the clues lead Becca and her new friends in the direction of the one house in their entire neighborhood that none of them ever want to go near, they know they have no choice but to screw up their...