The standard style guide of the Christian publishing industry, The Christian Writer's Manual of Style, 4th Edition, compiled by veteran Zondervan editor Robert Hudson, contains clear guidance on style questions related to religious writing, including many topics not addressed in other references or online.

Nearly half of this fourth revision is made up of new material, including information about turning blogs into books, the effects of digital media on writing, "adverbial doubles," "vanishing accents," word-choice strategies, endorser guidelines, and much more. It also...