How much will he get for his tell-all book?

Australian David Hicks, “the first person convicted at an American war crimes trial since World War II was freed from prison on Saturday, after completing his U.S. imposed sentence.” Hicks spent five years in detention at Guantanamo Bay, followed by a nine month sentence in prison. “He was told to remain silent about any alleged abuse he suffered while in custody.”

Or else, what?