Haman is after the Warren ranch and kidnaps his daughter Madge forcing her to write a note. He uses the note to get Warren to sign over his deed. But Madge gets Rex the wonder horse to take a note to Ranger Jerry Lane and Jerry frees Madge only to learn that Warren will be killed as soon as he signs.
Maurice VanAuken (firstname.lastname@example.org)
Here is Entertainment that will Thrill You- Amaze You- Delight You! Stirring Plot- Swift, Vigorous Action- and REX In His Remarkable Feats of Intelligence. (Print Ad-Daily Banner, ((Greencastle, Ind.)) 14 June 1929)