Bourne vs Dirk Pitt
Two thriller series side by side, straight from the catalog data: Dirk Pitt is the longer series (25 books vs 14 books); Bourne is the more recent one, starting in 1980. There's no wrong answer — pick the shape that fits your reading appetite, and Shelfmark will keep your place in either (no account needed).
| Statistic | Bourne | Dirk Pitt |
|---|---|---|
| Author | Robert Ludlum | Clive Cussler |
| Books | 14 | 25 |
| Published | 1980–2017 | 1973–2019 |
| Books per year | 0.4 | 0.5 |
| Start with | The Bourne Identity (1980) | The Mediterranean Caper (1973) |
| Reading order | Full Bourne order → | Full Dirk Pitt order → |
Numbers come from the Shelfmark catalog (Wikidata + Open Library). "Books per year" is catalogued books divided by the publication span — a rough cadence, not a quality score.