Whether they admit it or not, everyone loves sneaking a peek at something they're not supposed to see.

Fashion historian Laird Borrelli's new book Fashion Illustration by Fashion Designers ($27) facilitates just that, by giving us a look at designer's sketches that aren't meant for public consumption.

The newly released book features 250 original sketches from 50 of the world's top designers, including Christian Lacroix, Karl Lagerfeld, Phillip Lim, Rodarte, Christopher Kane, and Giambattista Valli. I don't know ...