Gerda Schwerhoff’s book is an engaging journey through the history of blasphemy. It explores two thousand years of insults to God, prophets, and saints—from ancient reformers to modern events such as worldwide outrage over cartoons depicting Muhammad and the terrorist attack on “Charlie Hebdo.” The author investigates the subtle line between mockery and insult, explaining how blasphemy can become part of a conflict that leads to violence. “Insulting God” is a story that remains relevant and pertinent in today’s society.