The Kid Who Collected Spider-Man. This tale of true heroism touches the heart of all who read it.
This issue has two stories. The first story pits Spider-Man against Thunderball while he also possess Wrecker's crowbar.
In the secondary story, Spider-Man pays a visit to a 9 year old boy who shows off his massive Spidey collection to his favorite hero. Spidey answers every question the boy has, including revealing his secret identity to him. It all makes sense once you read the final page.
Note: Ranked #84 in Wizard Magazine's list of "100 Best Single Issue Comics Since You Were Born".