Conversation so far:
what were some of John Stossel's most popular publications?
Stossel has written three books.
Give Me a Break: How I Exposed Hucksters, Cheats, and Scam Artists.

Question: what was the theme of these books?
Self-contained rewrite: what was the theme of John Stossel's book Give Me a Break: How I Exposed Hucksters, Cheats, and Scam Artists?