This is the point. This is the five million dollar question. I'm about to yank your chain like nobody else ever has before, and nobody ever will again. So listen carefully. Did the radiation enable the spider to give you those powers? Or was the spider trying to give you those powers before the radiation killed it? Which came first? The radiation? Or the power? The chicken or the egg or the power? 
This issue collects following issues:
Amazing Spider-Man (Vol. 2) #30
"Transformations, Literal & Otherwise"
"Transformations, Literal & Otherwise"
Amazing Spider-Man (Vol. 2) #31
"Coming Home"
"Coming Home"
Amazing Spider-Man (Vol. 2) #32
"The Long, Dark Pizza of the Soul"
"The Long, Dark Pizza of the Soul"
Amazing Spider-Man (Vol. 2) #33
"All Fall Down"
"All Fall Down"
Amazing Spider-Man (Vol. 2) #34
"Meltdown"
"Meltdown"
Amazing Spider-Man (Vol. 2) #35
"Coming Out"
"Coming Out"
Amazing Spider-Man (Vol. 2) #36
"Stand Tall"
"Stand Tall"
Tangled Web: The Thousand #4
"Severance Package"
"Severance Package"
Spider-Man's Tangled Web #5
"Flowers for Rhino Part 1 of 2: Rhinoplasty"
"Flowers for Rhino Part 1 of 2: Rhinoplasty"
Spider-Man's Tangled Web #6
"Flowers for Rhino Part 2 of 2: Cornocopia"
"Flowers for Rhino Part 2 of 2: Cornocopia"
Peter Parker: Spider-Man #36
"The Big Score"
"The Big Score"
Ultimate Marvel Team Up #6
"Spider-Man & The Punisher (Part I)"
"Spider-Man & The Punisher (Part I)"
Ultimate Marvel Team Up #7
"Spider-Man & The Punisher & Daredevil (Part II)"
"Spider-Man & The Punisher & Daredevil (Part II)"
Ultimate Marvel Team Up #8
"Spider-Man & The Punisher & Daredevil (Part III)"
"Spider-Man & The Punisher & Daredevil (Part III)"