Book store(shop) app

Here is my concept for a bookshop app. I've made only a few screens so far, but a nice main screen is usually enough for a nice presentation. Powered by illustrations and drop shadows, obviously:)
Also, I need to give some credit to people who made an illustration that used for this shot:
https://www.freepik.com/free-vector/students-studyingtextbooks_7732667.htm#page=1&query=reading&position=34