Marvel Star Wars 4: In Battle with Darth Vader

Star Wars 4: In Battle with Darth Vader written by Roy Thomas and penciled by Howard Chaykin; is the fourth issue of the Marvel Star Wars comic series. Originally published July 12, 1977 by Marvel Comics.

Publisher's Summary
''Obi-Wan vs Darth Vader! Plus, can Han and Luke rescue Leia?''