Remember to add and apostrophe when you are forming words such as: should've, could've, won't, someone's, can't... Those were some of the common mistakes you mad on your book.
It's very important that you use a dash when you want to indicate a sudden break or change of thought as well as too emphasis auxiliary information.
So, I could just say: "I called out for someone -Marcus answered- and I got the answer I needed.
So Rory, I read your book and it was wonderful, although, we need to work on your punctuation. Punctuation is very important, because it helps you, as an author, to be spot on in your writing.
For example, in the sentence "Our love was magic but i wasn't real at all" . It would've been great if you had added a comma before a coordinated conjunction. So the sentence should look like this: "Our love was magic, but it wasn't real at all."
On another note, in the sentence "All passenger in flight 431, please prepare to board", there should've been a period at the end of the sentence. Since it's a polite command, it 's a grammatical necessity for you to include it.