Continuing with Unit Editions thoughtfully curated collection of design related titles comes, Scratching the Surface, a selection of writings by Adrian Shaughnessy. Over the past 18 years, Adrian has contributed significantly to the ongoing discourse centered around graphic design. via Pocket http://grainedit.com/2013/07/16/adrian-shaughnessy-scratching-the-surface/
Tracing ∆'s – 