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.

"A penny begins to feel useless because her monetary value is small, but she remembers her history and feels proud when she is used to flip a coin." -- Provided by publisher.

"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-worth...

When ordinary third-grader Ed finds a coin with the words "strange" and "stranger" on both sides, weird things start happening around him--but when his friends start blaming him for all the weirdness Ed wonders if this coin is not too strange for comfort.

While on vacation in Martha's Vineyard, twelve-year-old Devlin Quick discovers a genuine pirate doubloon and investigates its origins.

"The fate of Batman and Robin comes down to a flip of a coin! Two-Face is on the loose and his crimes have the Dynamic Duo working double time. From the heist of rare twin diamonds to a showdown on a biplane, the Caped Crusader and the Boy Wonder stop at nothing to bring this super-villain face-to-face with justice." -- Page [4] of cover.

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."

Huckle, Sally, and Lowly set out to discover why gold coins Mr. Fixit found on the beach mysteriously disappear.

"A fun and simple review of basic money math for beginning students"--Provided by publisher.