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Thralls of the Endless Night cover

Thralls of the Endless Night

by Leigh Brackett

★3.4/5
AdventureFictionScience FictionShort Stories
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About This Book

Planet Stories - Fall 1943, published by Fiction House included great material by classic science fiction authors.

How to Listen

  1. 1. Click "Listen Free" above
  2. 2. The book opens in CastReader's browser reader
  3. 3. Click the play button — AI narration starts with word highlighting
  4. 4. Use "Send to Phone" to continue listening on your phone

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The Jewel of Bas
The Jewel of BasLeigh Brackett
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Enchantress of Venus
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FAQ

Is this audiobook really free?

Yes. "Thralls of the Endless Night" 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.