"Kate and Tom are now full-fledged conductors of the steam-powered, animal-saving Great Secret Intercontinental Railway, but when Kate takes the Silver Arrow out on an unsanctioned mission to find Uncle Herbert she discovers a mysterious train called the Golden Swift with an agenda of its own"--Title verso page.

"Milo Bolt is ready to be the hero of his own story. With Uncle Horatio trapped in an enchanted sleep by the power-hungry Alchemist, he sets off with his new friend Alessia to find a cure. As they search for clues, the pair find themselves at the magical treehouse--home of the Botanist, the Alchemist's sworn enemy. In their hunt for the cure, Milo and Alessia must forage in the Secret Garden, challenge Robin Hood, and confront the mighty Jabberwock....

Tom, who comes from a long line of criminals, travels with his roguish uncle to India to find a family treasure--an antique jewel-encrusted tiger stolen from the sultan's throne hundreds of years ago.

"Cutie Grackle is used to being different--she lives alone on a mountain with her feeble-minded uncle, and when she's not sucking pebbles to trick her stomach into feeling full, she's chatting with a weathered garden gnome for company. But having a flock of ravens follow you is more than just different. Cutie worries the birds are connected to the curse Uncle Horace tends to mutter about. And she's right. The ravens present her with a fortune from...

Harrison Beck is reluctantly joining his travel-writer Uncle Nat for the last journey of the royal train, The Highland Falcon. But as the train makes its way to Scotland, a priceless brooch goes missing, and things suddenly get a lot more interesting. As suspicions and accusations run high among the passengers, Harrison begins to investigate and uncovers a few surprises along the way. Can he solve the mystery of the jewel thief and catch the culprit...

"After finally finding Uncle Paul, Samantha realizes her brother Nipper is now missing and must find him. But while hunting him down, she must elude the mysterious and nefarious CLOUD that's hot on her heels"--

"Johanna is a prisoner in the harem at Talikan, with Baron Ogodei's army pillaging the countryside and preparing to sack the tiny Persian enclave. Hundreds of leagues to the south, in Kabul, Jaufre lies recovering from his near-fatal wound. Their journey has taken them halfway across a continent, yet an equal distance still lies between them and Gaza, where Johanna and Jaufre once meant to take ship for Venice and the sanctuary of Johanna's grandfather's...

Ever since moving to New York to live with his uncle, thirteen-year-old Henry Alabaster has been involved in one foggy mystery after another. That's because Henry's uncle, Kelvin McCloud, is a weather detective-someone who specializes in solving stormy problems. When an anonymous letter implores Kelvin to come to the Caribbean, Henry and his uncle are swept up in their most adventurous case yet-one which will take them out to sea to investigate a...

When Peter goes on an African adventure with his beloved Uncle Nigel, who hopes to spot a rare gorilla, the oblivious Nigel urges Peter on by telling him to have gumption, while Peter keeps his eyes open and uses his ingenuity.

Twelve-year-old Eddie Dickens survives encounters with an escape artist in a runaway hearse's coffin, a hot air balloon bearing the escape artist's lovely assistant, a gas explosion, and a jewel thief on the run.