Into the fourth dimension
by Ray Cummings
Free AI audiobook with natural voice. No signup required.
About This Book
Armchair Fiction presents extra large editions of classic science fiction double novels. The first novel is called “The Alien Intelligence” by one of the greatest sci-fi authors of all time, Jack Williamson. At the lip of a forgotten crater deep in the Mountain of the Moon, a silver ladder stretched downward through clouds of red and purple mist. Far below waited a crystal city, a beautiful woman, and alien horror…On Earth, having an above-average need for adventure, Dr. Winfield Fowler did not for one second question his duty in responding to his dear friend’s radioed pleas for help. Promptly...
Chapters (23)(click to expand)
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
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FAQ
Is this audiobook really free?
Yes. "Into the fourth dimension" 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.