need help

I need a spell book prop that looks convincing for a film about a monk in the 1300’s. Name your price! I do have some ideas for three or so pages as they are plot points, thanks for your time.

So I want to be Spider man Ultimate(mile morales) at my Highschool's Openhouse but can not find any shop that sales costume in my country and to tailor it charges too much for a highschooler like me and will be too late for the deadline that will be in next week. So now I've already ordered...