<p>FROM THE BESTSELLING AUTHOR OF RONALDO AND NEYMAR.<br><br>Prolific, cool-headed and unerringly consistent, Lionel Messi is one of the most revered footballers in history.<br>But did you know that his transfer to Barcelona was first agreed on a paper napkin?<br>Or that an x-ray of his hand was to thank for identifying his growth hormone deficiency?<br>And do you know why he refused to collect his first ever Champions League winner's medal?<br><...