Goosebumps: My Best Friend is Invisible
When their parents go away on vacation, Aunt Dahlia arrives to baby sit for her nephews, 12- year old Tom and his 10-year old brother, Jon. Their aunt is kind of weird, but her 'prize prune cookies' are delicious. That is, until the brothers realize that each one of Aunt Dahlia's culinary treats is just as strange as she is...