Cover pencils by Gil Kane, inks by Sid Greene. Thoroughly Modern Mayhem!, script by Mike Friedrich, pencils by Gil Kane, inks by Sid Greene; When a villain from Earth-Two, Captain Challenge, travels to Earth-One to try and commit crimes, Hal Jordan calls in his pal Alan Scott, the Green Lantern from Captain Challenge's universe; During the fight, Hal has to hold back because Challenge is using a ray that fires yellow beams, however Alan -- his power-ring having no weakness to yellow -- goes into the fray and easily defeats his foe. 36 pgs., full color. $0.12. Cover price $0.12.