Diary of a Wimpy Kid Tome 19 - Hot Mess

The pressure is building for Greg Heffley, who discovers that when you mix heaps of family, a tiny beach house and sweltering heat, it's a recipe for disaster. Speaking of recipes - the secret ingredients behind Gramma's famous meatballs have been closely guarded for years. Can Greg unpack all of his family's mysteries before their vacation is over ? Or will he just stir the pot ?