Travel with the Bobbsey twins as they set sail for the West Indies and discover a buried treasure.

Anna's new friend Emma, is fearless, fashionable, and always up for a new adventure, but when Emma's idea of fun takes a sinister turn, Anna starts to worry.

In order to end the Masked Man's literary army, the twins and their friends must enter Conner's short stories, where they find allies in unexpected places.

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.

When an anonymous note threatens someone they love, twins Sadie and Saskia Dopple are thrust into a series of crimes that look suspiciously like something from the pages of a mystery novel.

Identical twins Andie and Caitlin could not be less alike, and as they start junior high, they hope to finally develop their own identities, until a fitness test threatens to ruin Caitlin's year and she convinces Andie to switch places for the day, with some surprising results.

Ten-year-old Moxy Maxwell has promised to write twelve thank-you notes by the day after Christmas so that she and her twin brother Mark can go to Hollywood to visit their father, but all her attempts end up creating chaos in the house.

On a cross-country vacation with their parents, twins Coke and Pepsi, soon to be thirteen, fend off strange assassins as they try to come to terms with their being part of a top-secret government organization known as The Genius Files.

When twelve-year-old twins Philippa and John discover that they are descended from a long line of djinn, their mother sends them away to their Uncle Nimrod, who takes them to Cairo where he starts to teach them about their extraordinary powers.