Pullman said that banning a book on religious grounds was "the worst reason of the lot".Muhammad novel publisher undeterred by firebomb attack
"Religion grants its adherents malign, intoxicating and morally corrosive sensations. Destroying intellectual freedom is always evil, but only religion makes doing evil feel quite so good," he said.
The publisher whose home was targeted in a firebomb attack on Saturday will be going ahead with putting out a controversial novel about the child bride of Muhammad next month, despite this weekend's events.
London-based Gibson Square acquired journalist Sherry Jones's novel The Jewel of Medina earlier this month after Random House US dropped the novel following warnings that it could provoke terrorist actions from radical Muslims.
Book ban ends rare Arab-Israeli cultural exchange
For 15 years Israeli Saleh Abbasi has traded books between the Jewish state and its Arab neighbors, fostering a rare cultural link.
But in August Israeli authorities suddenly refused to renew his trading license because he was trading with "enemy" states Lebanon and Syria, frustrating both Abbasi's business and the Arab and Israeli readers he has helped interest in each other's literary traditions.