
The Sea-girt Fortress: A Story of Heligoland
★5.0/5
Listen FreeFree AI audiobook with natural voice. No signup required.
About This Book
The Sea-girt Fortress
Chapters (56)
- The Sea-girt Fortress
- The Sea-girt Fortress
- A Story of Heligoland
- PERCY F. WESTERMAN
- THE
- SEA-GIRT FORTRESS
- CHAPTER I
- Man Overboard
- CHAPTER II
- Through the Fog
- CHAPTER III
- A Loss and a Find
- CHAPTER IV
- Arrested
- CHAPTER V
- A Discovery
- CHAPTER VI
- Von Wittelsbach's Plan
- CHAPTER VII
- Official Hindrances
- CHAPTER VIII
- Sentenced
- CHAPTER IX
- On the Scent
- CHAPTER X
- In the Prison Cell
- CHAPTER XI
- A Night of Toil
- CHAPTER XII
- Investigations
- CHAPTER XIII
- An Experiment with a Zeppelin
- CHAPTER XIV
- The Second Night of Liberty
- CHAPTER XV
- Recaptured
- CHAPTER XVI
- The News Leaks Out
- CHAPTER XVII
- The Sandinsel Tunnel
- CHAPTER XVIII
- The Errant Airship
- CHAPTER XIX
- At the Mercy of the Winds
- CHAPTER XX
- Homeward Bound
- CHAPTER XXI
- Good Old Hamerton!
- CHAPTER XXII
- A Momentous Decision
- CHAPTER XXIII
- First Blood
- CHAPTER XXIV
- The Battle of the Galloper Sands
- CHAPTER XXV
- The Fall of the Island Fortress
How to Listen
- 1. Click "Listen Free" above
- 2. The book opens in CastReader's browser reader
- 3. Click the play button — AI narration starts with word highlighting
- 4. Use "Send to Phone" to continue listening on your phone
More by Percy F. Westerman
FAQ
Is this audiobook really free?
Yes. "The Sea-girt Fortress: A Story of Heligoland" is a public domain work from Project Gutenberg. CastReader converts it to audio using AI text-to-speech for free. No account or payment needed.
What does the AI voice sound like?
CastReader uses Kokoro TTS, a natural-sounding AI voice. It handles punctuation, names, and dialogue naturally. Most listeners forget it's AI after a few minutes.
Can I listen on my phone?
Yes. Open the book, then use "Send to Phone" to stream audio to your phone via Telegram. No app download needed.



