This document provides instructions for using Photoshop to improve Google Maps images for printing route maps. It notes that Google Maps images printed out can be difficult to see roads and paths clearly. It recommends inverting the colors in Photoshop so that roads stand out against the background better for printed maps. It lists the steps to take screenshots of Google Maps images, paste them into Photoshop, invert the colors, and then adjust the exposure and gamma correction to optimize the inverted images for clear printed route maps.