
The Mercer Boys' Cruise in the Lassie
Free AI audiobook with natural voice. No signup required.
About This Book
When Don and Jim Mercer and their buddy Terry Mackson set out in their sloop, Lassie, for a visit to Mystery Island, they were in search of adventure and fun. This is a thrilling adventure story of three modern boys - with action and excitement on every page.
Chapters (27)
- THE Mercer Boys’ Cruise IN THE LASSIE
- 1. The Finishing Touches
- 2. The Marine Bandits
- 3. The Start of the Cruise
- 4. Stormy Weather
- 5. Mystery Island
- 6. The Inner Room
- 7. Jim Starts Out
- 8. The Old Captain
- 9. Alone on the Sloop
- 10. Blown Out to Sea
- 11. The Storage Room
- 12. The Beach Party
- 13. The Red Lamp
- 14. Terry’s Adventure
- 15. The River Barge
- 16. An Important Clue
- 17. Aboard the Wreck
- 18. The Ghost of the “Alaskan”
- 19. The Escape
- 20. The Voyage Resumed
- 21. The “Black Mummy”
- 22. The Secret of the Freighter
- 23. The Chandler’s Shop
- 24. The End of the Cruise
- For Girls
- For Boys
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. "The Mercer Boys' Cruise in the Lassie" 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.







