Green Lantern #4 Cover A Xermanico

GUEST-STARRING THE FLASH! NEW CHARACTER DEBUT: SINSON! After Sinestro's attack on Ferris Air, Hal calls in a fast friend for help. This brave and bold duo comes one step closer to uncovering the mystery of Sinestro's plans, all while Hal continues to figure out what it means to be the only Green Lantern on Earth! PLUS: Meet the all-new character SINSON, in the first installment of a prelude story the to upcoming Sinister Sons by Peter J. Tomasi and David Lafuente!