Testing Animation in After Effects

This is my first animation I have made in After Effects. I have previously used it to compile renders from Maya and learned how to set up tracking on video footage while in University, however I haven't used After Effects CC before, only CS6, and have never used it as an animation software itself. I followed this tutorial from Evan Abrams:

​After following through the tutorial step by step I then used the knowledge of how to set up the pages to set up a new, separate page on which I could put text or images without those images appearing on the other pages in the book.