How to do marketing of website in 2024?

Hello, guys this is Eathen and I am here to know that how can I do marketing of my website. I am having a website with the name of be great be happy where I will gonna lunch my book. My book is all about personal goals for work for this I need to have marketing plan, this book is in pre order mood so I need a plan thorugh which I can achieve pre book purchase. If anyone of you knows about it so kindly do let me know.