"The pre-middle consists of the time period between receiving the invitation and the start of the “meaty” action. This is a great time for your hero to take a short trip, where he can naturally observe new things without “information-dumping” on the reader."
Andrew Stanton, the Pixar writer and director behind both Toy Story and WALL-E, has many ideas, and he shared his expertise in his TED Talk, The clues to a great story (link in article). Below, see his golden rules of storytelling visualized by Karin Hueck and Rafael Quick of the Brazilian culture and science magazine Superinteressante. -- How to tell a great story, visualized | TED Blog
"What really makes rebels and resistances truly great? How can you write about a realistic resistance?" // really great series from The Quiet Writer's Desk! http://thequietwritersdesk.blogspot.ca/2016/03/creating-realistic-rebel-resistance-in.html