After saving the lions from evil Maccomo, Charlie, a boy with the ability to speak the language of cats, goes to Venice to search for his parents and solve the mystery of their kidnapping with help from Bulgarian King Boris.

"Watch out, Miss Mallard! Miss Mallard is a famous detective who just happens to be a duck! Her latest case takes her to Venice on a wild gondola chase. A museum masterpiece is missing and all signs point to the famous artist El Ducko, who once saved Miss Mallard's life. Will Miss Mallard be able to save her friend? Or is he really the thief?"--Page 4 of cover

Two brothers, having run away from the aunt who plans to adopt only the younger one, are sought by a detective hired by their aunt, but they find protection from a gang of Venetian street children and their leader, the Thief Lord.

When they lose touch with his father's Gobi Desert expedition, eleven-year-old Mark accompanies his mother to Venice, Italy, and there, while waiting for news of his father, learns about the legendary Marco Polo and his adventures in the Far East.

While on a mission to prove to Merlin that they can use magic wisely, Jack and Annie travel to seventeenth-century Venice, Italy, to save the city from disaster.

"Since he was six years old, Milo has lived on board the Sesquipedalian, or "Quip," a magical train that uses the power of imagination to travel through both stories and the real world. Aboard the Quip, Milo lives and works with his uncle, Horatio, a book smuggler who trades in rare books. When Horatio takes on a dangerous new job, he needs the help of Tilly Pages, a uniquely gifted bookwanderer. But when Tilly's grandfather and Horatio are poisoned...

When eleven-year-old Rosa Mundi meets a talking cat, she discovers a world of magic that may save her from her odious aunt and uncle who leave her stranded in Venice.