The Yestertime Warning: Yestertime Series, Book 3 (Unabridged‪)‬

In the climactic third audiobook in the Yestertime series, Ray, Natalie, and the other time travelers are desperate to return to the 21st century.

But how?

Just when a slim opportunity to find their way home presents itself, they get some chilling news. And now, Ray and his friends may be stranded for good.