To format a thriller for IngramSpark, use a 5.5”×8.5” trim on cream paper, export as PDF/X-1a:2001 with embedded fonts, and set a wholesale discount of 50–55% for bookstore distribution. Thrillers are one of the highest-selling genres in independent bookstores — readers who buy thrillers at airports, grocery stores, and Barnes & Noble discover new authors through physical browsing, making IngramSpark’s distribution especially valuable. A typical 85,000-word thriller produces ~300 pages at 5.5×8.5, costing about $5.44 to print on IngramSpark.
Thriller specs for IngramSpark
| Setting | Recommendation |
|---|---|
| Trim | 5.5” × 8.5” (standard thriller size) |
| Paper | Cream — easier on eyes for fast reading |
| Font | Garamond or Baskerville, 11pt |
| Line spacing | 1.3–1.4× (tighter = faster pacing feel) |
| Scene breaks | Three asterisks or thin rule — minimal |
| Chapters | Short chapters, numbered, optional titles |
| Inside margin | 0.7”–0.85” |
| PDF/X-1a:2001 |
For thriller formatting conventions (short chapters, pacing, scene breaks), see how to format a thriller. This page covers IngramSpark-specific requirements.
Short chapters and page count
Thrillers use short chapters — often 8–15 pages each, sometimes 3–5 pages for cliffhanger chapters. This affects page count because:
- Each chapter starts on a new page (recto in some templates)
- Short chapters = more blank half-pages at chapter ends
- A 30-chapter thriller has ~30 half-pages of whitespace vs a 15-chapter literary novel
An 85K-word thriller with 35 short chapters can run 15–20 pages longer than an 85K-word memoir with 12 chapters. Factor this into your cost calculation with the KDP Book Calculator.
PDF/X-1a for thrillers
Standard IngramSpark requirements:
- PDF/X-1a:2001 compliant
- Grayscale color space (B&W text interior)
- All fonts embedded
- Page size exactly 5.5” × 8.5”
- Even page count
Most thrillers have text-only interiors with no images — the PDF/X-1a export is straightforward as long as your tool supports it. Word doesn’t; Cambric and InDesign do.
Cambric exports PDF/X-1a for IngramSpark automatically. Format your thriller with short chapters and clean scene breaks, then export for both KDP and IngramSpark from the same manuscript.
Get Cambric — $199
Pricing strategy
Thrillers sell at $14.99–$17.99 paperback. IngramSpark economics:
| Word Count | Pages | IS Cost | Price | Royalty (50% disc) |
|---|---|---|---|---|
| 70,000 | ~265 | ~$4.96 | $15.99 | $3.04 |
| 85,000 | ~300 | ~$5.52 | $16.99 | $2.98 |
| 100,000 | ~350 | ~$6.32 | $17.99 | $2.68 |
Thriller readers are less price-sensitive than romance readers — they expect to pay $15.99+ for a new paperback.
Series setup for bookstore distribution
Thriller series sell well in bookstores. For IngramSpark:
- Enable returnability on all volumes
- Consistent trim and spine design across the series
- Include series name and volume in metadata
- Back matter: preview chapter of next book (essential for series velocity)
Related guides
- Format a thriller — genre conventions
- 5.5×8.5 IngramSpark specs — trim specs
- IngramSpark PDF/X-1a — file compliance
- KDP Book Calculator — cost and page count