# Erik Björnberg

> Erik Björnberg is the pen name of an author of interactive murder mystery puzzle books for adults. The books are written as case files: the reader studies police files, profiles, CCTV and phone records, maps and forensic reports, cross-checks them and eliminates suspects until the evidence points to one person.

## Website
- [Erik Björnberg: murder mystery puzzle books](https://erikbjornberg.com/): Official author website with the author's story, the first book and a sign-up for news about the next case.

## Books
- [Matched with a Killer (Case One)](https://www.amazon.com/dp/B0HLT1Y73W): Interactive murder mystery puzzle book for adults, 180 pages, English, paperback, published October 2, 2026. Maya Collier disappears after arranging a date through an app; the reader joins Detective Sergeant Ruth Adair as the analyst. One connected investigation across five stages, with optional QR hints and a final online case submission.

## Author
- [Erik Björnberg on Amazon](https://www.amazon.com/Erik-Bj%C3%B6rnberg/e/B0HLTJLMGV): Amazon author page.
- Erik Björnberg is a pen name. Erik previously worked on an investigative analysis team, now writes fictional investigations and lives in Norway.

## Reader resources
- [Case One reader desk](https://case1.erikbjornberg.com): Optional hints and final case submission for readers who own the book.

## Contact
- hello@erikbjornberg.com