The Oxford A-Z of English Usage is a comprehensive guide to a wide range of proper English pronunciation, spelling, grammar, word usage, hyphenation, and more. Containing a gold mine of useful advice on a wide array of common writing and speaking problems, the A-Z of English Usage features essential information about correct English that is needed on a day-to-day basis in a handy alphabetical sequence. Based on Oxford's world-leading dictionary research and contemporary language monitoring, it answers questions such as the difference between "principle" and "principal", why it's wrong to use "octopi" as the plural of "octopus", and whether to use "alumni" as the plural of "alumnus." Also includes advanced search and language tools that have become the staple of quality mobile language apps from MobiSystems with content from Oxford University Press.
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