The Boxcar children uncover a mystery on a train trip from Boston to San Francisco.

The orphan Madeline catches a thief and makes a friend in Rome.

Thirteen-year-old fraternal twins Dallas and Florida have grown up in a terrible orphanage but their lives change forever when an eccentric but sweet older couple invites them each on an adventure, beginning in an almost magical place called Ruby Holler.

A young Canadian visitor helps the Alden family solve a mystery involving a lost coin collection.

The Baudelaire orphans disguise themselves as employees of the Hotel Denoument and find themselves pursued by the evil Count Olaf and by others.

As their outrageous misfortune continues, the Baudelaire orphans are shipped off to a miserable boarding school, where they befriend the two Quagmire triplets and find that they have been followed by the dreaded Count Olaf.

Amy and Dan cross the oceans on the trail of a famous aviator, but they find more than they're looking for. Their enemies are becoming more vicious, and the truths they discover more crushing than ever.

Shaken by a shocking loss, Amy and Dan flee to an exotic land and trace the footsteps of their most formidable ancestor yet: a military leader of mythic proportions.

Alex Rider does battle with a charity broker con artist who has invested millions of dollars in a form of genetically modified corn that can release an airborne strain of virus capable of knocking out an entire country in one day.