The New Fowler’s Modern English Usage, Fowler, H.W., Very Good
A nice touch in this training guide is the progress tracker at the start of each section.
Linguistic Categorization: Prototypes in Linguistic Theory by John R. Taylor
You will find that this study guide is a great companion for homework help.
Computerist’s Handy Databook/Dictionary Clayton Hallmark 96 Pages VTG
A nice touch in this textbook is the chapter-opening vignettes that hook your interest.