Here are some steps that can help you write a nonfiction book:
1. Decide on your core topic and the problem your book will solve.
2. Do some market research and identify your target audience.
3. Outline your book with a logical structure and a style guide.
4. Schedule writing time and establish a writing space.
5. Write your first draft, starting with a strong introduction.
6. Revise your manuscript and check your facts.
7. Choose to publish traditionally or independently.
These steps are not exhaustive but they can help you get started on writing your nonfiction book.
[Here](https://blog.reedsy.com/guide/nonfiction/how-to-write-a-nonfiction-book/) is a link to an article that goes into more detail about these steps and provides additional tips for writing nonfiction books.