Hiring a non-fiction ghostwriter (https://www.theghostwriters.co.uk/nonfiction-ghost-writing) is an important decision that can significantly impact the quality of your project. Some of the key factors need to consider before hiring:
1- Experience and Expertise.
2- Writing Style and Quality.
3- Communication skills.
4- Portfolio and References.
5- Audience Understanding.
6- Project Management.
7- Research Skills.
8- Editing and Revision.