Mota is a Martian representative, who has come to impose interplanetary law on the Earth (which has become too dangerous); opposing his authority is...
A prospector discovers natural cement and suggests it should be used for a new dam. But this is the last thing the badmen of Trail End want, as they...
Silver is being smuggled across the border and the secret passage goes through Betty Long's basement. When Steve arrives he gets tangled up with the...