Every day, the man who would be king, President Donald Trump - makes another bizarre unsubstantiated claim - attempts to inact an illegal law, and launches a firestorm of tweets against his critics.
But this is just the tip of the iceberg. The 10% we see.
In this no holds barred book, investigative journalist Atherton Cooper dives into the murky waters below the surface of the Trump iceberg to reveal the 90% - the donald will never tweet about.