Listmania!
My favorite writing references (In no order)
By an Amazon.com customer
HarperCollins College Outline English Grammar (Harpercollins College Outline Series)HarperCollins College Outline English Grammar (Harpercollins College Outline Series) by David I. Daniels
Buy new: $11.53 / Used from: $0.05
This is helpful.
Word Clues the Vocabulary BuilderWord Clues the Vocabulary Builder by Amsel Greene
Buy new: $26.11 / Used from: $25.99
This is an educational resource.
The American Heritage College DictionaryThe American Heritage College Dictionary by American Heritage
Buy used from: $0.22
This dictionary is worthy.
Essentials of English GrammarEssentials of English Grammar by L. Sue Baugh
Buy used from: $19.81
I find this book to be an essential reference.
Dictionary of Word Roots and Combining FormsDictionary of Word Roots and Combining Forms by Donald J. Borror
Buy new: $14.17 / Used from: $12.42
This resource is indispensable.
Random House Webster's Concise Thesaurus (Random House Newer Words Faster)Random House Webster's Concise Thesaurus (Random House Newer Words Faster) by Random House
Buy used from: $1.15
This thesaurus gets the job done.
The Elements of Style, Fourth EditionThe Elements of Style, Fourth Edition by William Strunk Jr.
Buy new: $9.95 / Used from: $3.76
This is a helpful reference.
Quick Vocabulary Power: A Self-Teaching Guide (Wiley Self-Teaching Guides)Quick Vocabulary Power: A Self-Teaching Guide (Wiley Self-Teaching Guides) by Jack S. Romine
Buy new: $17.95 / Used from: $0.99
This is a useful guide.
Merriam-Webster's Guide to Punctuation and StyleMerriam-Webster's Guide to Punctuation and Style by Merriam-Webster
Buy used from: $0.01
This guide is instructive.