Kindle (Electronic book reader) Electronic book readers 4 Tablet computers 4 Computer Science 3 Engineering & Applied Sciences 3 Electronic books 2 Portable computers 2 Android (Electronic resource) 1 Book Studies & Arts 1 Book industries and trade -- Electronic equipment 1 Education 1 Electronic book readers -- Handbooks, manuals, etc 1 Kindle (Electronic book reader) -- Handbooks, manuals, etc 1 Pocket computers 1 Social Sciences 1 Tablet computers -- Handbooks, manuals, etc 1