Double Jacks-Lavender

TJ decides to take AJ with him to Glasgow with his family to visit his aunt, uncle and his cousin Nicole. Who ends up taking a liking AJ. After a night they all head up to Inverness in the highlands to see TJ's grandmother. He finds what seems like a dairy written in the 1800s by his great, great grandmother. This dairy somehow predicted the events that would happen in the future and the fate of his best friend AJ.