Liddy did not write Silent Coup. Lynn Colodny and Richard Getlin did. I doubt that you have read it or you would have known that. Also, it is the most researched and factually verifiable book on Watergate in existence. Its sources are well documented, unlike Woody's and Bernie's books--All the President's Men and The Final Days. Or maybe you think Woody and Bernie got all those made up quotes from actually being there. What, were they hiding behind the curtain in the White House to overhear Nixon praying or talking to Lincoln's portrait? Or was "Deep Throat really RMN himself?
Oh yeah, and Woody really did get that death bed confession from Bill Casey. Sure he did.