Angela Ackerman and Becca Puglisi are co-creators of The Bookshelf Muse, an award winning online resource for writers. The Negative Trait Thesaurus is the second book in their Writers Helping Writers series, along with The Emotion Thesaurus: A Writer's Guide to Character Emotion, and The Positive Trait Thesaurus: A Writer's Guide to Character Attributes. Members of SCBWI and writers of middle grade and young adult fiction, both authors lead workshops at regional conferences around North America and teach webinars through WANA International. They can be found at www.writershelpingwriters.net.