Use CREDO Reference every time you think of using Wikipedia. CREDO contains articles with background information from dictionaries and encyclopedias--these are acceptable sources written by experts. CREDO covers a wide array of topics ranging from Art to Technology.
Using easy-to-understand, informative, and often humorous explanations of every word, 499 Words Every College Student Should Know explores how to use the words in proper context.
An easy-to-use guide to sentence writing... covers how to overcome run-ons and sentence fragments [and] sentence construction obstacles...-all without making you do a single dreaded diagram!
The Blue Book of Grammar and Punctuation is a concise, entertaining workbook and guide to English grammar, punctuation, and usage.
When "good" isn't good enough, make your vocabulary splendid, stupendous, and electrifying with this guide to words that really say something.
This updated 2018 Classic Edition contains the original version of William Strunk's The Elements of Style, plus a variety of enhancements that make this book even more useful.