We found 3 Reddit comments about A Time of Darkness. Here are the top ones, ranked by their Reddit score.
Could it have been A Time of Darkness by Sherryl Jordan? >Stranded among gentle cave dwellers, a modern teen-ager finds love, wisdom, and a way to save his own world
I'm wondering if it's one of these two books. Your description sounds similar to both of them, but I don't remember the specific details. A Time of Darkness http://www.amazon.com/A-Time-Darkness-Sherryl-Jordan/dp/0590433628 The Transall Saga http://en.wikipedia.org/wiki/The_Transall_Saga
Rocco aka A Time of Darkness by Sherryl Jordan. Rocco dreams of wolves attacking. https://www.amazon.com/Time-Darkness-Sherryl-Jordan/dp/0590433628
Could it have been A Time of Darkness by Sherryl Jordan?
>Stranded among gentle cave dwellers, a modern teen-ager finds love, wisdom, and a way to save his own world
I'm wondering if it's one of these two books. Your description sounds similar to both of them, but I don't remember the specific details.
A Time of Darkness
http://www.amazon.com/A-Time-Darkness-Sherryl-Jordan/dp/0590433628
The Transall Saga
http://en.wikipedia.org/wiki/The_Transall_Saga
Rocco aka A Time of Darkness by Sherryl Jordan. Rocco dreams of wolves attacking.
https://www.amazon.com/Time-Darkness-Sherryl-Jordan/dp/0590433628