When the murals painted on the walls of her Brooklyn neighborhood start to change and fade in front of her, Sierra Santiago realizes that something strange is going on--then she discovers her Puerto Rican family are shadowshapers and finds herself in a battle with an evil anthropologist for the lives of her family and friends.

"When Miguel and his parents move from Puerto Rico to the U.S. mainland, Miguel misses their home, his grandparents, and his pet frog, Coquí, but he soon realizes that New York City has more in common with back home than he originally thought"--

Sierra and the shadowshapers have been split apart. Juan, Anthony, and Izzy are in jail, anxiously waiting to find out what will become of them. Back in Brooklyn, the other shadowshapers have been getting threatening messages from whisper wraiths, catching strangely shaped figures stalking them, and fending off random spirits. A war is brewing among the houses, and the very magic of the shadowshapers is at stake. Sierra is determined to protect...

Two days after arriving in New York from Puerto Rico, eight-year-old Juanito, who speaks no English, loses his dog and searches for it all over the city making new friends along the way.