Grammar Girl's 101 Troublesome Words You'll Master in No Time - Mignon Fogarty - Bog

Are you often left wondering whether to use "healthy" or "healthful"? Is that sugary treat a "doughnut" or a "donut"? Is "data" singular, plural, or both? This author has you covered with a wide range of words that often trip us up. Each entry features clear definitions and examples that put each word in context, along with memory tricks and fun.