This illustrated manual explains how to use the Multichannel Mode in Photoshop for preparation and visualisation of multi-layered screen prints. It explains in detail how to use channels instead of layers and what the benefits are. Multichannel is an invaluable tool for the digital Screen Printer as well as risograph artists. Twenty years ago Otto began creating and publishing screen printed books. His first participation at an artists’ book fair was at the Barbican in 1996 where he showed his conceptual visual narrative ‘Helping you back to work’. Since then he has been presenting books at major artists’ book fairs around the world and has now published in excess of 80 titles.