You know what the most cruel thing in this world is? Making a person study for, and write an exam when there is a new book, waiting to be opened and devoured. And if this book happens to be the one that you have been eagerly waiting for, I can only say that it is pure agony. The book, lying in all its glory on the table, tempts and pulls you towards it, in not so subtle a manner. You try resisting it with all your might, but fail miserably. You end up pacifying yourself by reading one page at a time, as a reward for every page you finish in your subject text, and finally, screw up your exam, and also lose the joy and pleasure of reading the book.
I would say that the best way to prevent this situation from arising would be to ask someone to hide the book from you until the exams get over. So this way, you get to do your exams well, and you also enjoy reading the book, cause then you will be doing so without any guilty conscience pricking your mind. But also make sure that you keep your ears pricked and every time you hear a whiff about the book, put your fingers in your ears and sing at the top of your voice!!