Hi Tan Vu,
My name is Tosin, I'm a creative and professional native English language writer with impeccable proficiency in composing and structuring contents for quality nonfiction e-books. I have vast experience in writing quality how-to e-books related to relationship, weight loss, mental health, self-help, self-improvement, work ethic, marriage, family management, debt management, passive income, etc.
I can assure you of well researched and well structuted contents free from grammar mistakes and plagiarism. Upon completion and payment of e-book, all right to ownership will be yours with zero infringement from me. Kindly leave me a message and I'll give a prompt reply.
Warm regards.