Today's free book is Werwolves by Elliott O'Donnell (1912). For the table of contents, check at the bottom of this post below the image. The spelling is werwolves throughout, instead of the more conventional werewolf or werewolves.
The book is available at Hathi Trust (I have not checked for other online sources).
Table of Contents
1. What Is a Werwolf?
2. Werwolf Metamorphosis Compared With Other Branches of Lycanthropy
3. the Spirits of Werwolves
4. How to Become a Werwolf
5. Werwolves and Exorcism
6 the Werwolf in the British Isles
7. the Werwolf in France
8. Werwolves and Vampires and Ghouls
9. Werwolves in Germany
10. A Lycanthropous Brook in the Harz Mountains; or, the Case of the Countess Hilda Von Breber
11. Werwolves in Austria-hungary and the Balkan Peninsula
12. the Werwolf in Spain
13. the Werwolf in Belgium and the Netherlands
14. The Werwolves and Maras of Denmark
15. Werwolves in Norway and Sweden
16. Werwolves in Iceland, Lapland, and Finland
17. the Werwolf in Russia and Siberia
