Do verb tenses make you tense? Does “affect” vs. “effect” put you in a panic? Help is here! This easy-to-use guide to grammar explains just how the Engl

Presents a self-instruction program to improve grammar skills in written and oral communication. Original.

Better Sentence Writing in 30 Minutes a Day features clear discussions of rules and strategies for good writing. Concise explanations and an abundance of exerci

Become a stellar speller with these self-tests, exercises, examples, and tips for spotting errors quickly! Do you use the dictionary more than you think you sho

Discover useful and enlightening new words to improve your conversation, self-expression, and even your Scrabble game with this vocabulary guide! Better Vocabul