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.

"Here are only a few of the wonderful, strange, and mysterious elements in this breathtaking visit to the Kingdoms and Empires: A very proper girl named Lillian Velvet, living a very lonely life with a nasty Grandmother. A jar of coins, each with the power to take Lillian on a journey to a different time and place...and also to grant a single wish. A small boy in a barn about to be crushed to death by a load of hay. A family, each member in mortal...

"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."

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.

Sixth-grader Griffin Penshine has always believed wishes can come true, and so when a strange woman curses her with a box of pennies, Griffin fears her evil desires will come true until she returns each penny to the person who first wished upon it.

Jasmine is determined to find a rare coin to complete Aladdin's collection for his birthday, but her search leaves her stranded in the desert.