The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Jack and Annie head back in time to Venice, Italy in the 1700s. With the help of a research book, a book of magic rhymes, and a set of mysterious instructions from Merlin, the heroes will save the beautiful city from a flood! Formerly numbered as Magic Tree House…
Two brothers, Prosper and Boniface Hartleib, run away to Venice and are taken in by a group of street children who are led by a proud orphan named Scipio, AKA "The Thief Lord." The runaway boys' aunt and uncle figure out where they are and hire a detective, Victor Getz, to find them. While investigating the thief gang, Getz discovers that Scipio is actually the son of a successful doctor, Dr. M…