My girlfriend is the bigger fan of Dinosaur Comics but this take on the origin story of Marvel's best-known (and currently worst abused) superhero is classic.
Compressed Origins: Spider-Man
There are scores of old Amazings, Spectaculars, and so-ons that could have saved so many pages just by having this inserted into them. Would have saved JRJR, Sal, and Mark Bagley a lot of wear and tear on their arms.