Answer:
The fickleness of fortune
Explanation:
For capital letters, we can just add the ending -s, for example:
I got As in the final exam.
for lower-case letters, an apostrophe is used to avoid confusion:
In the multiple-choice exam all the correct answers happened to be a's! (as in: option a)
The point of view is different. You have consider every character. It’s unlikely that you mass descriptions (other than narrators), because you have keep readers interested by making it concise but eventful, while with books you have more flexibility and room to breathe.