chickensoup has been saying since 1998 that these book deals are payola.
There is nothing about profit.
It is payola of the worst kind by corporations and leftist leaders.
What do they get in return for the payola?
Even with a professional ghost writer, this project will take 2+ years. Who has confidence zer0 and the wookie will have any scrap of power or prestige in that time? The world will move on, likely at a breakneck speed and the political landscape will have changed drastically.
None of their followers can read, let alone possess the attention span to get through 100k words. Although, with the right font and margins, I guess they could get by with 50k words.