Based on real events, this story shows how a team of international volunteers worked together to save priceless artifacts after a flood.

“Lee’s scenes of tumultuous waves washing down city streets amply convey a sense of the widespread devastation to go with Greenwald’s vivid descriptions of the wreckage.” —Booklist 

When the Arno River floods the city of Florence, Italy in 1966, it leaves slimy, smelly mud everywhere. A young girl watches students from around the world, many from the US, help save the town's rare treasures, earning themselves the nickname Gli Angeli del Fango, the Mud Angels.