- Unauthorized reference to other titles or authors
- Unauthorized reference to a trademarked term
- Reference to sales rank (e.g., "bestselling")
- Reference to advertisements or promotions (e.g., "free")
If you're publishing a companion book based on an original work, such as a summary, study guide or analysis, begin your title with the term "Summary," "Study Guide," or "Analysis." When designing your companion book cover, make sure the term "Summary," "Study Guide," or "Analysis" appears before the title of the original work in a font at least as large as the rest of the title.