NEED VOCAB LIST!!!!!!!!!!!!!!!?

Hey people... I've been working on a school project and since i have an extensive vocabulary, i can't find any words i don't know in the book i'm reading for a book cover i have to make for said book, so if anyone can come up with words a 7th grader shouldnt know from the book; Heir Apparent by Vivian Vande Velde, please answer with the utmost quickness