What you learn about other characters maniac magee chapter 1

Maniac lost his original family and home at a very young age, and he'll always be searching for another. Jeffrey went to live with his Aunt Dot and Uncle Dan, in Hollidaysburg, Pennsylvania. Dot and Dan hated each other but refused to get a divorce. ... Then, one spring, Jeffrey was in the spring musicale at his school.

Explanation:

  this riddles' answer is library.

  the "leaves" are a reference to the books' pages that the library contains; the branches are a network of libraries that connect multiple libraries' collections, resources, and items in a system of a common database, integrating them; the branches' organization are a useful management tool for coordinating the multiple collections many libraries have.