 After writing and drawing the book for 25 issues, Byrne told editor Terry Kavanagh that he was starting to feel constrained on the book and thought having a different artist might inspire him to a fresh approach.<ref name="back91"></ref> Kavanagh suggested newcomer Jae Lee, and Byrne continued as strictly writer of the book up through issue #32.Byrne later said he has great fondness for the title character and was unhappy that circumstances forced him to leave the series.Byrne took over writing "Iron Man" for issues #258–277 (July 1990-Feb. 1992), drawn by John Romita Jr. and later by Paul Ryan.