16 to 19 years old are how many percent likely to in a car crash?

bildungsroman is a german word for novel covering youth to adulthood which describes a coming-of-age story

  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.