Publishers reported a lot of ebook numbers this week. Just to line them all up together: Hachette Book Group USA 22 percent HarperCollins US 19 percent Simon & Schuster (worldwide) 17 percent $26 million Harlequin 13.6 percent $15.7 million (CA) HarperCollins (worldwide) 11 percent Random House UK 8 percent Hachette UK 5 percent Simon & Schuster UK 3 percent (approximately)