For all students and those wishing to improve their English, I highly recommend Oxford Advanced Learner's Dictionary, a monolingual dictionary. The definitions of the words are very simple to understand as written in a basic vocabulary. On the bottom of each page of the dictionary, you find the English phonetics, very useful to correctly read a word. This book is also decorated very useful notes: vocabulary notes to help you use the right word to express yourself; notes explaining the difference between British and American vocabulary; Grammar notes ... all explained clearly and succinctly. At the end of volume, you will find reading supplements (irregular verb list, geographical names, numbers, punctuation, etc.). This dictionary is accompanied by a CD-ROM "Genie". Easy to install, you Genie translated words when you are on the Internet or just a word processor: you just point your mouse over the word you do not know (or highlight it) and the definition the word and its pronunciation is displayed in the small window Genie. It is very playful! In short, it will make you monolingual dictionary of great service!