A touch device is provided that allows users to easily select text in an Electronic Book (e-book), based on a touch interaction. A method is also provided that operates an e-book function in the touch device which includes displaying e-book content, receiving an anchor interaction at a location in text of the e-book content, displaying a number of candidate anchors, based on the location where the anchor interaction is input, determining two selected candidate anchors as definite anchors, and forming a block of text in the definite anchors.