When twelve-year-old Hugo, an orphan living and repairing clocks within the walls of a Paris train station in 1931, meets a mysterious toyseller and his goddaughter, his undercover life and his biggest secret are jeopardized.

Kate's humdrum life is transformed when her eccentric Uncle Herbert brings her a colossal locomotive train, the Silver Arrow, as her eleventh birthday gift, leading her and her younger brother on a mysterious quest.

As assorted passengers comment on their train ride, and the train itself goes "Clickerty click, clickerty clack," the station parrot is carefully listening to every sound.

"In this all-new very special mini-series, the Aldens have been recruited by a secret society to return lost artifacts and treasures to their rightful locations--all around the world! The Aldens arrive in Egypt but the agent they're supposed to meet has gone missing! With the help of a puzzle in a papyrus scroll, they figure out their next mission--to deliver a tiny ancient pharaoh statue to an archaeologist at the Pyramids! Along the way they outwit...

Introduces train sounds with accompanying sound effects and color illustrations of the subjects. On board pages.

Using simple text and illustrations, introduces young readers to familiar vehicles and the sounds they make, including cars, trains, and planes. "A car goes zoom. A train goes choo-choo. Learn all about things that go!"--Page 4 of cover.