"Identical twins Ling and Ting celebrate their birthday by sharing gifts and making wishes"--

Ever since he ate a zapped banana, hyperactive second-grader Clyde turns into a monkey when he gets excited, so his twin sister Claudia plans to take her "monkey" to the school pet show--but when all the animals are pet-napped Clyde has to use his inner monkey to rescue them.

When Violet decides to write a book, she insists that her twin brother help because he has good ideas, but Victor would rather count his pet worms.

A young dragon named Ella convinces her twin brother Owen to join her on a bold quest to find a wizard that will help cure Owen of his flaming cold.

"As Thanksgiving approaches, Nate and Lucy must help Bradley and Brian find out what their shady new neighbors are up to"--

"Exposing children to a diverse range of literary and informational texts, the Core Concepts program helps develop important literacy and cognitive skills necessary to meet many of the Common Core State Standards. Gold Light and Gold Ray are the only known pair of elephant twins in the world! Photojournalist Richard Sobol has masterfully captured the twins' playfulness, as he shows the twins feeding, bathing, napping, and learning with their trainer...

Ella and her twin brother Owen head out on a new adventure in search of special ingredients to make their mom a cake, but end up being turned into newts, and running into a Stinky Fish Monster that wants to eat them.

Clyde is a hyperactive kid, and his twin sister, Claudia, does her best to keep him out of trouble--but after a class field trip to the science museum, and a zapped banana, he suddenly finds that excitement transforms him into a real monkey, which may help him catch the thief who took the golden monkey.

Twin sisters Ling and Ting have fun together playing in all kinds of weather.

Bradley and Brian need help from Nate and Lucy after a hypnotist turns their mother into a duck but does not quite get her changed back.