Mr. Proofread's Guide to Effective Proofreading (1st Edition) is now available as a free download when you register with the site (it's free).
This 20 page e-book describes important techniques to improve your proofreading skills. It also includes a handy grammar guide which explains some of the most common mistakes in English writing. This free grammar guide explains clearly how the English grammar rules work so that you can quickly fix any common grammar mistakes in your writing.
Register and download the proofreading e-book for free now to learn how to improve the clarity of your writing. This free download is in PDF format.
Download instructions: Just register an account and login to this website, then come back to this page to download this informative must have proofreading guide.