The physical book is quite expensive - I am personally waiting for an ebook version, either pdf or ePub. I think right now you can only get a DRM’ed version thr

The physical book is quite expensive - I am personally waiting for an ebook version, either pdf or ePub. I think right now you can only get a DRM’ed version through a service called vitalsource? I will not be supporting a textbook DRM platform just to read it.