8. One or more non-transitory computer-readable media as recited in claim 1 , wherein touch-sensitive display forms a portion of an electronic book reader device, and wherein the selected word forms a portion of an electronic book rendered by the electronic book reader device.
8. One or more non-transitory computer-readable media as recited in claim 1 , wherein touch-sensitive display forms a portion of an electronic book reader device, and wherein the selected word forms a portion of an electronic book rendered by the electronic book reader device. 9. One or more non-transitory computer-readable media as recited in claim 8 , wherein the first or second reference work entry is from a reference work provided by a publisher of the electronic book.