Faced with the fact that it is difficult to perceive the technical literature with a PC monitor, it is largely psychologically -requires a separation: on the screen is the code editor, on the table - book.
The printed edition is a little expensive, looking in the direction of e-readers, but I realized that on a 6" E-ink to read technical literature - masochism.
Look into buying used iPad/iPad2
If you have had experience using this device as a reader, describe your experience, please.
And immediately recommend a convenient application for reading. Thank you.