# Alfred Kropp: The Thirteenth Skull

> 2008 novel by Rick Yancey

**Wikidata**: [Q4723023](https://www.wikidata.org/wiki/Q4723023)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Alfred_Kropp:_The_Thirteenth_Skull)  
**Source**: https://4ort.xyz/entity/alfred-kropp-the-thirteenth-skull


## References

1. Internet Speculative Fiction Database