The Macmillan Readers series are carefully graded from Starter to Upper Intermediate (A1-B2) to help students choose the right reading material for their ability. Our list of titles includes great stories from both contemporary and classic authors. 15th July 1988. Emma and Dexter meet for the first time on the night of their university graduation. Soon their lives will go in separate directions. But where will they be on 15 July of the following year, and the year after that? One Day is a wonderful and moving love story which takes place over the decades of the eighties and nineties.