What if society wasn't fundamentally rational, but was motivated by insanity? This thought sets Jon Ronson on an utterly compelling adventure into the world of

The last two decades have seen tremendous growth in biological research on psychopathy, a mental disorder distinguished by traits including a lack of empathy or

Psychopathy remains one of the least understood personality disorders and one of the most intransigent to therapeutic amelioration. Encompassing all the signifi

This book has been replaced by Handbook of Psychopathy, Second Edition, ISBN 978-1-4625-3513-2.

Psychopathy is a very important concept for those working in the field of criminal justice - investigators, prosecutors, and those who have to evaluate, manage