The memoir tells of his years in hiding after Iran's Ayatollah Ruhollah Khomeini in 1989 declared The Satanic Verses blasphemous and called for his death.
A semiofficial Iranian religious foundation headed by Ayatollah Hassan Saneii has raised the bounty for Rushdie from $2.8 million to $3.3 million after recent protests against an anti-Islamic film that helped lead to riots around the Middle East.
But Rushdie says Saneii has long offered a bounty and few people have taken him seriously.