Dinos would have had horns not ivory
Jabrosky, Ivory actually comes from the teeth of the animal. Ivory comes from the tusks of elephants, walruses, and narwhales. The tusks of these animals are actually just specialized teeth. Elephants use there tusks in gathering food (tearing down...
Foundation by Asimov
Daichungak, I recommend you check out the Foundation series by Isaac Asimov. Here's a helpful link. Foundation series - Wikipedia, the free encyclopedia