Unless they happen to be gifted writers, celebrities almost always use a ghostwriter for their autobiographies.

So it was actually Moehringer who helped providethe most startling revelations from Prince Harry’s “Spare.

Yet sometimes a ghostwriter has to be selective about what to include.

Prince Harry looking serious coronation

In the middle of the attack, one of his comrades yelled a nasty slur about Princess Diana.

Moehringer thought it unnecessary to include the zinger, but the prince wanted it included.

At one point, the two men literally got into a shouting match.

Prince Harry Spare book on display

Finally, Moehringer managed to convince his client that the passage would be stronger without the line.