Amazing Spider-Man #126 (1973)

"The Kangaroo Bounces Back!" Script by Gerry Conway. Pencils by Ross Andru. Inks by Jim Mooney. Cover by John Romita. Why is the Kangaroo searching for the web-slinger? And what maniacal plans have Dr. Jonas Harrow and the Kangaroo launched into action?  Spider-Man fights the Kangaroo at the Hudson Nuclear Laboratories! Meanwhile, Harry Osborn accepts his family's legacy and assumes the mantle of the Green Goblin!

Key book; first mention of Harry Osborne as the Green Goblin.  Good condition.