Geronimo was walking to the Rodent's Gazette, the most well-known newspaper on Mouse Island, on a bright spring morning. Geronimo hears screaming as he approaches his place of employment; Thea and Trap were arguing over an envelope. When Geronimo came into view, he noticed that the envelope had come from somewhere familiar and that it was also addressed to him. His close friend Isabela from Brazil had invited him to visit her country in pursuit of an enigmatically hidden treasure. When they got to Brazil, they went to Isabela's house, where she showed them the chest that belonged to her great-grandfather and included a diary, a pickaxe, a miner's helmet, and other items. Her great-grandfather had made reference to the Eye of the Dragon in the diary. The voyage had its ups and downs, and Geronimo also became aware that someone was following them from a distance. Will Geronimo and his companions be able to locate the emerald Isabela's great-grandfather discovered earlier than anybody else?
The story's chronological evolution kept moving forward, which I thought to be engaging. My favorite recipes in this book were for Pao De Queijo (Brazilian Cheese Bread) and Dulce De Leche. In addition to searching for all the hints left by Isabela's great-grandfather, the characters in this book also enjoyed Rio de Janeiro's Carnival, flew in hang gliders, and avoided dangers they encountered in the jungle like crocodiles and enormous snakes. Despite overcoming such perilous obstacles, they managed to locate the Eye of the Dragon. This tale is intended for all types of explorers.