The book is unlikely to change anyone's mind about Mr Snowden, but when it comes to privacy and speech and the Constitution, his story clarifies the stakes
In a clear message to US President-elect Donald Trump, the famed National Security Agency (NSA) whistleblower Edward Snowden has said that government surveillance programmes will create "vulnerabilities" for social media users.
Snowden is true to its subject but lacks the drama you would expect from the powerful, real-life story