More evidence that we all have to get onto a game show (or otherwise turn into celebrities somehow): Virgin Books is paying “a substantial six-figure sum” for world rights to the autobiography of “Dragon’s Den” judge James Caan…Transworld Publishing has also paid “a substantial six-figure sum” for a book by girl band “Girls Aloud.” TV hosts Ant and Dec” have signed a deal for over two million pounds for their autobiography. In a recent seminar, George Ross (pictured, left) Donald Trump’s sidekick on “The Apprentice” told attendees that for 40 years he toiled in obscurity, but now he helps Trump tell some nice kids “you’re fired” and suddenly he’s mobbed wherever he goes. And of course he’s written a book…