Ciao Giorgio, there are a lot of good ones. I can only suggest this series of grammars published by Cambridge University Press. I read some of them and I found them pretty good.
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AnonymousI need because i have to begin a self-study course to get to the highest
Anonymousinteremdiate level (FCE) passing through post-intermediate level (CAE) up to the advanced level (CPE).If you want to take any of those exams, unfortunately grammar is not enough. You also have to focus on reading (comprehension skills, cohesion, coherence, inference, reasoning ... ), writing (format depending on the type of task, style, register, ef