Book series are awesome, but if you don't have the right stuff in the back matter of each of the books in your series, you are missing out! Let's say you are releasing the next book in one of your ongoing series. Now, let's say you picked up a 'new to you' reader and they loved your new book. Do you think they will go back and buy the first book in the series? If you put the following in the back matter of each of your books in your series you will increase the chance of this