Jigsaw and Mila investigate the disappearance of a rare coin which Lucy gave to Bigs Maloney.

Using Ty the Tyrannosaurus Rex's new invention, the Dino Detectives find a bag of strange coins at the beach and trace them back to a carnival.

When a rare coin and a strange code are uncovered in McKenna School, Malcolm and the other classroom pets of the Midnight Academy take on their most challenging assignment yet and, through their investigations, they just might save the school from closing.

While Jake continues searching for his father and is sent by the obsidian mirror to multiple times in the past, Sarah and Venn battle with Summer for control of a powerful coin.

Ed, his friends, and even his little sister are eager to go to Dinosaur Discovery, but ever since he found the magic coin called Silver Center, strange things happen around Ed--so he is not surprised to find that a blue dinosaur has followed his sister home.

Montaro Caine, CEO of the Fitzer Corporation, is losing control of the company he built. At this moment of crisis, a man and woman appear at his office with a coin of unknown provenance, composed of a metal unknown on Earth. Montaro immediately recognizes it as the companion of a coin he analyzed as a graduate student working in a lab at MIT, which was later returned to its unidentified owner. But the value of the coin lies not in its monetary worth...

"When ten-year-old Derek and eight-year-old Sam move with their family to Virginia, they have no idea what adventures the summer will bring. As the brothers explore their creaky old house and the deep surrounding woods, they uncover a sixty-year-old mystery of a valuable coin collection stolen from the local museum. Join the boys as they spend their summer running from danger and searching the woods, secret caves, rushing waters, and hidden passageways...

Ed and his friends accidentally sign up for a playwriting contest, a dangerous activity for someone who possesses the Silver Center, and what they write is pretty strange, but when it comes to actually performing the play, Ed's magic coin lends new meaning to the words "stage fright."

"Pennies, worthless? Non-cents! Hot off the minting press, Penny feels like a million bucks. But as other coins and bills are spent while she sits forgotten, she begins to doubt her value. She is too small to slot-surf with Quarter. Even penny candy sells for a dime! Refusing to be short-changed, she sets out to find her purpose at any cost. Readers will laugh at a wealth of money puns, learn a basic lesson on US currency, and discover that self-...