Kirkus Reviews called it a "succinct yet in-depth inquiry into a significant philosophical issue".

[1] In the "Journal of Critical Realism" the book was defined as "smart, engaging and well written but also (...) skates along the surface of the subject matter".

[2] The Journal "Nuncius" said that the book's aim "...is to invite readers to a critical examination of the wide ranging sociological and cultural implication of ideas, with particular emphasis on their consequences in time".

[3] The philosopher Rupert Read called the book worthless, and wrote that it presented an over-simplified and distorted view of both Popper and Kuhn.

[5] The mass circulation US magazine Popular Science made the book 'Book of the Month' in February 2005.