Tired of being pressured to help commit crimes and yearning for a more normal life, twins Jillian and Billy band together to do good deeds while their parents kidnap a monkey from the zoo, hoping to teach it to steal. Includes activities.

After a three-day rainstorm, twins Carlos and Carmen go out to play in their wet and muddy backyard--and soon their parents join in the fun.

Bradley, Brian, Nate, and Lucy enter their pets in the Fourth of July costume competition, but just as they complete making Polly the pony into Thomas Jefferson, and Pal the dog into the Declaration of Independence, the animals run away, and the children must find them before it is too late to win the prize.

When Alfie McQuinn, the notorious jewel thief, is killed on a job, his last words to his son, March, are to "find jewels" and this instruction leads the boy to Jules, the twin sister he never knew he had--and the perfect partner to carry on the family business.

For their twelfth birthday Willow's mom is planning a combined birthday party for Willow and her twin brother, Winston--boys and girls will both be invited for a Halloween masquerade, but soon the games threaten to get out of hand.

Prankster twins Edgar and Ellen think they have found kindred spirits when they join the circus to escape from their mysterious caretaker and the one-eyed creature Pet, but they soon discover that it is hard to tell friend from foe.

Twins Josh and Danny continue following clues leading them to marbles filled with scientific code, despite the fact that mad scientist Petty Potts' REPTOSWITCH formula is having some very strange side-effects.

Shortly after her boyfriend, Peter, is deployed to Afghanistan, high school senior Michelle dies in a car crash and when her bereft twin, Kelsey, connects with Peter she is unable to tell him the truth as, through their separate woes, they support each other and begin to fall in love.

A ransom note received at Dragon Slayers' Academy sends Wiglaf and Angus to the rescue of the supposed victims, but upon arriving at Keep Away Mountain Cave, they discover that an elaborate prank has put them in danger.

"With the discovery of Mrs. Magpie's Manual of Magic for Mathematical Minds, Lulu and Elizabeth embark on an exciting journey to a realm inspired by Lewis Carroll's poetry. The twins must use ingenuity and sagacity to solve classic logic puzzles that promise to uncover the book's secrets and earn them The Vorpal Blade. In this interactive novel, the reader is invited to play along with the two heroines on their grand math adventure."--back cover.