Green Lantern (1960-) #19

Sonar, super-powered ruler of Modora, returns to challenge Green Lantern! But Hal can only defeat the power-mad monarch with the help of fellow Green Lantern Tomar-Re! Plus, Green Lantern goes West on 'The Trail of the Horse-and-Buggy Bandits!'

Written By:
John Broome
Gil Kane
Joe Giella
Cover By:
Gil Kane, Murphy Anderson