The part which deals with Sounds, Inflection, and Word-Formation was written by the junior author, who is also mainly responsible for matters of orthography, hidden quantity, etc., throughout the book;

jill We [Jill and her husband James] call it, Driving While Black. We have a . . . nice car. So we got pulled over for a DWB. . . .

Oil may be used as an additive in gasoline to improve the lubrication of a small engine.

My new boss is much more plugged in to the needs of his employees than my last boss.