Here's a breakdown of the key locations:
* Lily's apartment: This is where Lily lives with her mother and where the story begins. It's described as being cozy and filled with memories of Sam.
* Central Park: This vast urban park is a central location in the story. Lily and Sam often played there, and Lily searches for clues about her brother's disappearance in the park.
* The American Museum of Natural History: This museum is a significant location, as Sam was last seen near the dinosaur exhibits. Lily spends a lot of time here, searching for clues and trying to understand what might have happened to Sam.
* The streets of the Upper West Side: Lily's journey to find Sam takes her through the streets of this bustling neighborhood, where she encounters various characters and faces challenges.
* The subway system: The book depicts the New York City subway system, a labyrinthine network that Lily navigates in her search for her brother.
While the story is primarily set in New York City, there are also brief glimpses of other locations, such as the upstate New York countryside, where Lily's grandparents live, and the beach, where she spends time with her family.
Overall, the setting of "Lost and Found" is an integral part of the story, providing both a backdrop for Lily's search and a source of tension and intrigue. The bustling streets, iconic landmarks, and intricate network of the city create a sense of both wonder and danger, mirroring the emotional landscape of Lily's journey.