The 5th edition of MATLAB Recipes for Earth Sciences now has a book cover and can already be pre-ordered on the publisher’s webpage. The picture on the top is a 3D display of a filtered SRTM elevation data set of the Baringo area in Kenya, showing fault escarpments and lake basins. The function surfl has been used to generate a shaded-relief map with simulated lighting, contour3 to create white elevation contours and the demcmap colormap from the Mapping Toolbox.