How do you write a book?

1. Find your “big idea”

2. Research your genre

3. Create an outline

4. Start off strong

5. Focus on substance

6. Write “reader-first”

7. Set word count goals

8. Establish a healthy routine

9. Set up a productive space

10. Use writing software

11. Keep yourself motivated

12. Take setbacks as they come

13. Don’t rush the ending

14. Get tons of feedback

15. Publish your book

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.