100 Writing Mistakes To Avoid 100 Writing Mistakes to Avoid is a guide to common errors of grammar, usage and spelling that distract readers from the message a writer wishes to convey. It’s “a style book for writers in a hurry.” It can’t replace a dictionary or a premium style guide like The Chicago Manual of Style (1,026 pages) or the Associated Press Stylebook (406 pages), but writers can save time by looking here first. Patron Membership Required You must be a Patron member to access this content.Already a member? Log in here