I use the Biblica Bible Atlas more frequently than any other. It is large, elegant, and of phenomenally good artistic/grapgic quality as well as being very scholarly. It comes with a CD-Rom version, which also use frequently, but it would be more valuable to have it in available Logos 4 format, most notably with iPad/iPhone access too. The last 3 weeks I yearned to have it with me several times when I was travelling or at a church function, but taking it on the road is quite a task given the size and weight, let alone the desire to avoid any possible damage to it.