A group of academics have spent years shut up in a house working on the definitive encyclopedia. When one of them discovers that his entry on slang is hopelessly outdated, he ventures into the wide world to learn about the evolving language. Here he meets Sugarpuss O’Shea, a nightclub singer, who’s on top of all the slang and, it just so happens, needs a place to stay.

Breck Coleman leads a wagon train of pioneers through Indian attack, storms, deserts, swollen rivers, down cliffs and so on while looking for the murder of a trapper and falling in love with Ruth Cameron.

The Wrecker wrecks trains on the L & R Railroad. One of his victims is Larry Baker’s father. Baker wants to find the evildoer, among a host of suspects, but it will be difficult since the Wrecker can disguise himself to look like almost anyone