From the Book - Fourth edition.
Punctuation : Rules and guidelines ; Conjunction junction: comma rules for and, but and or ; Nonessential vs. essential: that vs. which ; Punctuation self-test
Grammar : Basic terms and concepts ; Grammar terms and concepts exercise ; Mapping who vs. whom ; Making the right choice ; Practice sentences: who vs. whom ; Other rules and guidelines ; Grammar self-test
Usage : Rules and guidelines ; Usage self-test
Recap: comprehensive self-test
AP stylebook study guide : AP style self-tests
Spelling : Homonyms and sound-alikes exercise ; Spelltraps
Copy-editing symbols : Copy-editing symbols self-test ; Basic symbolism
Supplementary self-tests : Punctuation/AP style test ; Grammar/AP style test ; Usage/AP style test ; Final language-skills test
Quality-control guide to writing and editing : Accuracy and fact-checking ; Fact-checking exercise ; Brevity and tightening ; Tightening exercise ; Clarity ; Clarity exercise ; Quotations and attribution ; Quotations and attribution exercise ; Basic editing principles