Speculative fiction lives and dies by internal consistency.
Readers will overlook almost anything—dragons in the sky, faster-than-light travel, sentient forests—but they won’t forgive contradictions. If magic costs blood in Chapter Three and then costs nothing in Chapter Twenty, trust falters. If a character’s eyes are blue in one scene and green in another, it breaks immersion.
That’s why an SFF style sheet—often called a world bible—becomes essential.
As a developmental editor who frequently works with fantasy and speculative fiction authors, I can tell you: a strong world bible not only benefits you but also helps your editor protect your world with accuracy.
Let’s break down exactly what should be inside it.
1. Character Reference Sheet
Your character list should go beyond names.
Include:
- Full name (with correct spelling)
- Nicknames or titles
- Physical description (height, eye color, scars, distinguishing marks)
- Age and birth date
- Family connections
- Rank, occupation, or magical classification
- Accent or speech patterns
- Key emotional wounds or motivations
Why this matters for editing:
Editors track continuity across hundreds of pages. If your warrior has a scar on the left cheek in Chapter One and it shifts to the right later, your editor needs a definitive source of truth.
Pro Tip: Alphabetize your character list for quick reference.
2. Magic System Rules (or Technology Rules in Sci-Fi)
This is the most overlooked section—and the most important.
Your style sheet should clearly outline:
- Source of power (divine, elemental, genetic, technological)
- Who can access it
- Limitations and costs
- Known weaknesses
- Training structure
- Visual indicators of use
- What magic cannot do
Consistency here builds reader trust.
If resurrection is impossible in your world, it cannot quietly become possible in the climax without narrative consequence.
For sci-fi authors, swap magic for:
- Tech limitations
- Energy sources
- Space travel rules
- AI capabilities
- Planetary physics differences
Your editor uses this section to flag accidental rule-breaking.
3. Timeline & Historical Events
Include:
- Major wars
- Political regime changes
- Founding myths
- Character birthdates
- Cataclysmic events
- Duration of journeys
- Seasonal shifts
In fantasy especially, generational history shapes motivations.
If your war ended 20 years ago but a character who fought in it is only 25, your editor will need clarification.
A timeline prevents impossible math.
4. Geography & Measurements
Include:
- Maps (even rough sketches)
- Distance between major cities
- Travel time by horse, ship, portal, etc.
- Unique units of measurement
- Currency systems
- Calendar names and months
- Lunar cycles (if relevant)
If your world uses “marks” instead of miles, define them.
If three days of travel becomes one afternoon ride, your editor will catch it—but your style sheet makes corrections faster and cleaner.
5. Naming Conventions & Language Rules
Speculative fiction often includes:
- Invented languages
- Cultural naming structures
- Title hierarchies
- Capitalization rules
Clarify:
- Are titles capitalized? (“High Mage Sereth” vs. “high mage Sereth”)
- Do surnames come first?
- Are magical orders italicized?
- Are foreign words pluralized in English or in their native form?
A style sheet ensures your editor doesn’t standardize something that’s intentionally different.
6. World Laws, Politics, and Religion
Include:
- Political structure
- Succession rules
- Religious hierarchies
- Social taboos
- Class divisions
- Criminal punishments
Why? Because plot holes often hide in systems.
If magic is illegal, how does your protagonist practice openly? If only nobles can inherit land, how did a commoner gain a kingdom?
Editors look for logical fractures in systems. A world bible gives us the blueprint.
7. Formatting Preferences & Editorial Notes
Finally, include:
- Preferred spelling (gray vs. grey)
- Hyphenation choices
- Special capitalization
- Intentional grammar deviations (for dialect)
- Trigger warnings or sensitive themes
This reduces line-level confusion and protects your voice.
Why This Matters for Developmental Editing
A strong SFF style sheet:
- Reduces revision rounds
- Prevents continuity errors
- Saves editorial time (and cost)
- Strengthens immersion
- Signals professionalism
It tells your editor: I respect my world—and I want you to protect it.
And that collaboration? That’s where great books are made.
Final Thought
Your world bible isn’t busywork. It’s infrastructure.
You don’t need a 200-page encyclopedia—but you do need a centralized document that anchors your story in clarity.
If you’re preparing your manuscript for developmental editing, build your style sheet first. It will sharpen your own understanding of your world—and it will allow your editor to strengthen it without guesswork.
Consistency isn’t restrictive.
It’s what makes fantasy believable.
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