After accidentally drinking some of mad scientist Petty Pott's SWITCH potion while at school, twins Josh and Danny become grasshoppers and this time they may not change back without help.

On a trip to a pond with a local nature group, twins Josh and Danny accidentally eat a muffin laced with Petty Potts' SWITCH spray and are transformed into very stinky beetles.

A year ago, the March Kingdoms were at peace, and the Eddon family held the throne. King Olin Eddon is a prisoner in a faraway land, and Olin's heir Kendrick is dead—slain by treachery and dark, bloody magic.
With their father and brother taken from them, the royal twins Barrick and Briony have done their best to hold the kingdom together, but now Barrick has been captured in a failed war against the immortal Twilight People and Briony has...

A boy who may be part changeling, twins involved in a bizarre secret experiment, and a clurichaun in a red tracksuit try to save the world from an evil cereal company whose ultimate goal is world domination.

Twin brothers Jay and Ray Grayson learn about friendship, honesty, and themselves after taking advantage of a clerical oversight in which their new school thinks there is only one Grayson boy.

Computer-literate, twelve-year-old Tru keeps an electronic diary where she documents her desire to cure her handicapped twin brother and her plan to create a television show.

When Emma Paxton steps into the life of her long-lost twin Sutton to solve her murder, she finds new suspects at every turn, while Sutton looks on from her afterlife.

Desperate to outmaneuver the evil Alvar Kitsune, Moria allies with Gavril, while Ashyn discovers that she is the key to a ritual that could reawaken an ancient dragon and turn the tide of the coming battle in their favor.

When Mara's twin brother Owen is accused of rape by her friend Hannah, Mara is forced to confront her feelings about her family, her sense of right and wrong, a trauma from her past, and the future with her girlfriend, Charlie.

"Following clues left by their missing father, twelve-year-old twins Bickford and Rebecca Kidd sail from the Caribbean to New York City with their siblings to finish the dangerous quest of their world-famous treasure-hunting parents"--Provided by publisher.