Hearts Grown Brutal

[1] He blasts leaders such as Slobodan Milosevic, whom he calls "a craven, clever bully", Franjo Tuđman, whom he says played a "macabre dance", and Radovan Karadžić.

[3] David Rieff in The New York Observer called it a "stunning accomplishment" and stated that Cohen captured "the sense of inconsolable sorrow and stony anger that those who watched as Bosnia was destroyed will carry with us to our graves".

Kirkus Reviews praised its "insightful, eloquent journalism" and described the book as "essential reading".

[5] In Mediterranean Quarterly, author Walter R. Roberts gave a critical review, accusing Cohen of a consistent anti-Serb bias.

He wrote that Cohen "writes extremely well... and knows how to keep the reader's attention", but he stated that the book contains slanted material and reads more like fiction than non-fiction.