Dear Employer,
As stated in the project description, you need to proofread your 7000 word book. I am very interested in working with you on your content writing project. I shall provide you two files. In the first file, i shall highlight my recommendations using track changes option of MS Word. In the second file, i shall make all the changes so that you don't have to correct that changes manually. The finished content will be grammatically correct and written in an engaging style that will interest the reader.
Client satisfaction is a priority. I have completed several projects on freelancer related to academic writing, proofreading, paraphrasing, etc. Because of impeccable quality of work, all my former employers have awarded me good review ratings. I invite you to visit my profile so that you can have a glance at my ratings. Thank you for taking the time to consider my proposal, and good luck with your project.
Very Best