This book is mostly about a girl named Grace. She wanted to join her big sisters bubble club but the club had rules that Grace thought wasn't fair. Then, Grace tried all sorts of bubble making concepts(milk bubbles, regular blowing bubbles)but her big sister still said no to them. Tom,Graces big brother, came along to find out why his little sister was so sad. When she told him, he tried to make her feel better. He gave her some lemonade, and she started to burp. Her brother also started to burp. When they finished burping, her brother told her that burps were air bubbles. Graces and tom's sister came and started to show off on blowing bubbles. Then when she blew them to big, it popped in her faced and in her hair. Grace put pb( peanutbutter) in her hair and all the gum went out. Now, Graces sister had new rules. Now grace and her brother can both go in the bubble club without any rules for blowing bubbles.