Or if you are a bit less technical "The Elements of Computing Systems". A very good book for the "I taught myself how to program and now I'm curious about OSdev

Or if you are a bit less technical "The Elements of Computing Systems". A very good book for the "I taught myself how to program and now I'm curious about OSdev" crowd. [adding to the off topic rant: I generally agree but off the top of my head "Schrödinger programmiert Java" and the entire Schrödinger... series are decent and hit the typical US-style tone. Not sure if you count a programming book as a technical book though :)]