To promote slope safety and release information of interest to the public, the Geotechnical Engineering Office (GEO) of the CEDD, HKSARG make available of selected publications in e-book format. The “Greener Slopes Better Cityscape” mobile App is the window to the e-books series of selected GEO Publications. The “Greener Slopes Better Cityscape” is not just a portable document file (pdf) or html file but also enriched with the benefits brought by electronic book, including the interactive feature, multimedia functionality and enhanced readability in various devices where appropriate.