How many years after the book?

The copyright owner of a citizen's work shall enjoy the rights of publication, reproduction, distribution, lease, exhibition, performance, projection, broadcasting, information network dissemination, shooting, adaptation, translation and assembly, and the protection period shall be the author's life and 50 years after his death, ending at 65438+365438+ in the fiftieth year after his death. If it is a cooperative work, the deadline is 65438+February 3 1 50 years after the death of the last dead author.