@Pamela Lynch thank you very much Pamela. what actually change my business is that, i am working with a proffesional marketer and he advice me to have a sell my books on Shopify and i got started. they help me to build my shopify store and they help me to promote it and from there, the sales was going massively. and i know you are an admin. you can message me for better discussion so i can share with you my store link because i don't share my detail in public.