In this Trade Paperback collecting the limited the 1990s series Sensational Spider-man 13-15, Peter Parker is sent to the Savage Lands which is suffering catastrophically due to holes in the O-zone and Spidey has to team up with Ka-zar and Shana to save the inhabitants and find the truth behind what's going on. And Stegron and the Hulk also show up.
In general, the book is pretty fun. It has some good superhero action, some excitement, and some truly noble heroes. It remains kid friendly until the last page but even that page wasn't terribly graphic.
On the other hand, there's nothing particularly special about it. Spidey's reason for being there is contrived with J Jonah Jameson sending Peter to get photos, something that's a bit out of character given JJJ's reluctance to pay for travel to Florida, let alone the high cost of going to the Savage Land. While most Superhero story lines in the 21st Century are way too bloated, this one feels like it could have used an extra issue to flesh out its story.
But given the choice between too long and too short, I much prefer this book for some innocuous fun.