(e-book) Figure 1.15 undersampling, jpeg-ification

In the e-book, I noticed some major undersampling and jpeg-ification of Figure 1.15. These adverse features show up independent of browser, and also when I print the relevant page to [PDF](http://faun.rc.fas.harvard.edu/ameisner/fig1_15.pdf). This leaves the CMB image short of conveying the Nside=512 resolution mentioned in the caption, even though the resolution is captured much more successfully in the "plate 3" color version of the figure. Thanks!