Rand Brooks

Eddie's science project, a robot, malfunctions.

Two greenhorns from the East are blamed for murder and claim jumping.

Two speculators try to gain an advantage in the stock market when they hire former Pony Express riders to relay information to Denver, but Bat and one of his friends thwart their plan by using carrier pigeons.

Hoppy, California and Lucky are on vacation, but not for long. They come across bank robbers (who drive automobiles, something new). Nevertheless, the Bar 20 guys bring the bad guys to justice.

Teacher Lola Blair is against building the saloon right next to her schoolhouse. When she is kidnapped, Hoppy rescues her and forces the saloon keepers to relocate.

A banker is trying to cheat people out of their silver-rich land. Hoppy learns that the banker is in league with an outlaw gang.