Build to pdf textbook

I'm looking for an expert who can help me build a textbook and convert it to PDF. This is a project for a textbook that is yet to be defined in terms of subject or target audience.

Ideal Skills and Experience:
- Experience in textbook writing and editing
- Proficient in PDF conversion software
- Able to create engaging content
- Strong understanding of educational standards
- Excellent organizational skills to create a coherent structure.