According to the back cover of the book, the on-line version receives approximately 500,000 hits per month.

[5] The articles in the book are in several categories: Print versions are available in Dutch, English, Japanese, Korean, and Russian.

Norcross et al. state that Carroll has made considerable progress in exposing pseudoscience and quackery.

[2] Skeptical Inquirer stated that it was "a book that should be a staple of everyone’s diet-part of the package we are given at birth to help us avoid the dangers and pitfalls of living in a world riddled with bad ideas and empty promises...".

[9] It was also described by Gary Jason, a Philosophy professor at California State University as "... a good reference book for a critical thinking class.