100 Words Almost Everyone Confuses and Misuses (American Heritage Dictionaries)

Avoid vocabulary mistakes with this fun guide to tricky and troublesome words!
 
With concise and authoritative usage notes from the editors of the American Heritage® Dictionaries, this guide explains common English-language errors—whether it's mixing up affect and effect; blatant and flagrant; or disinterested and uninterested, or stumbling over sound-alikes including discrete/discreet or principal/principle.
 
Other notes tackle such classic irritants as hopefully, impact, and aggravate, as well as problematic words like peruse and presently.
 
A great read for anyone who cares about getting it right, 100 Words Almost Everyone Confuses and Misuses can help keep writers and speakers on the up-and-up!