There are details you will need
- What is the purpose of the manual
- E.g. program management polices and procedures?
- Project management guidelines?
- Or a technology management manual?
- Is it more to enable consistent selection and management across projects
- Or for better management of projects?
- Is it to establish "best practices" for your industry
- Or create a minimum standard of action?
- Will it be used across the organization
- Or in one department, or on a single project?