Detailed Instructions: Given a text, write a compressed version of it in a single sentence.
Q: "4. Not actually a book; this is the tag line from a pack of Pop Rocks which also includes the sub-head, ""more action"neither of which would be an entirely inaccurate blurb for the Vidal biography."
A:
This is the tag line from a pack of Pop Rocks which also includes the sub-head "more action."