Take a look at Amazon.
It's enough to floor Sharkey and Jeffries with a single punch.
Anyway we promised an e-book so here it is.
Come 'n' get it!
I Fought Them All: The Life and Ring Battles of Prizefighting Legend Tom Sharkey
$12.87 in the US; £8.04 in the UK; and available for your Kindle wherever you are.
New cover especially designed for the Kindle version: