Facebook Groups Promotion Manager

I am looking for someone to handle the marketing/promotion for my new book being released on Amazon. This is a part-time position where I'm looking for about 10 hours per week (2 hrs per day). Job will consist of joining Facebook ---------- Groups, ,posting daily (engaging in those groups), and then promoting the book in each group on occasion. Those applying please provide me with a brief summary of your marketing/promotion experience (platforms, etc.) and how you may be able to assist with promotions based on your skills learned through these marketing/promotional efforts.