Conversation so far:
What was Robert Todd Carroll's best known piece of writing?
Robert Todd Carroll was best known for his contributions in the field of skepticism; he achieved notability by publishing The Skeptic's Dictionary online in 1994.
Did Robert Todd Carroll consider himself a writer?
Robert Todd Carroll (May 18, 1945 – August 25, 2016) was an American writer and academic.
What is Robert Todd Carroll's idea of a critical thinker?
Did Robert Todd Carroll write a lot of books about logic and critical thinking?
His published books include Becoming a Critical Thinker, The Skeptic's Dictionary, The Skeptic's Dictionary for Kids, The Critical Thinker's Dictionary, Unnatural Acts: Critical Thinking, Skepticism, and Science Exposed!
Does Robert Todd Carroll ever travel and do readings of his work?

Question: What other books has he written?
Self-contained rewrite: What other books has Robert Todd Carroll written?