Heinlein is an author well known for his thoughts on controlled government. This particular book is actually a collection of short stories. You will see by the descriptions of the first two below how they examine subjects of liberty.
“IF THIS GOES ON—” The Second American Revolution unfolds in the course of this novel where John Lyle, West Point graduate and now a guard at the Prophet’s stronghold, comes to realize that “secrecy is the keystone of all tyranny. Not force, but secrecy . . . censorship.” After he joins an underground movement to overthrow the U.S. government, John learns much along the way about courage, subversion — (a fellow conspirator tells him, “There is magic in words, black magic—if you know how to invoke it”) – and sacrifice.
“Coventry’ takes place years after America’s Second Revolution and posits a benevolent but strongly monitored new society, with its own rules and surveillance arm.
“Misfit” concerns a young genius who averts disaster in a mission to bring a small asteroid closer to Earth.