Where today the city lights shine and towns sprawl, where fields stretch out and fast cars race along smooth roads, many thousands of years ago roaring mane lions tore through the night, huge rhinoceroses crashed through dense thickets, and herds of shaggy mammoths wandered. Primitive people hunted mammoths: the meat went to feed them, and from skins and bones hunters built comfortable warm dwellings. They were friends with neighboring tribes, invited them to their celebrations, and exchanged the skins, weapons, and ornaments they brought back from hunts… But there were enemies too—terrible ones—among peaceful tribes living along the Great River. Their dreadful weapon killed from a distance, and wounds from it would not heal. About how a seasoned warrior and a young hunter helped their home tribe achieve victory over a dangerous enemy, and how peace was established along the banks of the Great River…