Volume 1, #23. "Psi War!"
Marvel Comics. July, 1988.
Writer(s): Chris Claremont, John Byrne
Artist(s): John Byrne, Terry Austin, Kieron Dwyer
Notes:
Reprint of Uncanny X-Men #117
Backup story "Nightcrawler's High Adventure" by Chris Claremont, John Bolton
Cover Art: Arthur Adams
Back Cover Art: John Bolton