About “Best Friends”
Main Street is a children's novel series by Ann M. Martin, aimed at readers aged 8–12. It was published between 2007 and 2011. The story follows two sisters, Ruby and Flora Northrop, who move to the small town of Camden Falls to live with their grandmother after their parents die suddenly. In Camden Falls, the sisters make new friends, including Olivia and Nikki. Olivia's grandmother owns a store that is also connected to Ruby's and Flora's grandmother. (Summary adapted from Wikipedia, CC BY-SA 4.0.)