The Temple Of The Ruby Of Fire, was published in the year 2004 by Scholastic India Pvt. Ltd. It is the 14th book in the Geronimo Stilton series, and in this book, Geronimo, the protagonist, is drawn into a wild adventure as he sets off on the trail of the mysterious 'Ruby of Fire'. In this adventure, Professor von Volt discovers the location of this mystical jewel, and Stilton is dragged into the race of finding the gem first by his sister, Thea. Geronimo has to pass through a lot of trials and obstacles to reach the stone, including booby traps set by the ancient guardians of the jewel.