X-Men #136 CGC 9.8 WP ICONIC Cover by John Byrne & Terry Austin, 1st appearance of Sara Grey, sister of Jean (Cert 8010)

• Part 8 of the Dark Phoenix Saga
• Jean Grey reclaims control after suppressing the Dark Phoenix with the help of Professor X
  
• 1st appearance of Sara Grey, sister of Jean
  
• White Pages

Synopsis:

“Child of Light and Darkness!” The X-Men confront the growing threat of the Phoenix as the Shi’ar Empire arrives to pass judgment on Jean Grey. With tensions escalating, the stage is set for the final confrontation that will determine her fate.