The Search for Treasure - Geronimo Stilton

Geronimo is shocked to find himself back in the Kingdom of Fantasy for a sixth time. The evil empress of the witches is after the Royal Sapphire. If she unites it with her Royal Ruby, it would give her immense power. The entire Kingdom is in danger, so Geronimo must fulfill the Ancient Gemstone Prophecy! Illustrations. Geronimo's sixth magical expedition! I, Geronimo Stilton, was shocked to find myself back in the Kingdom of Fantasy for a sixth time. I was needed to fulfill the Ancient Gemstone Prophecy!The evil empress of the witches was after the Royal Sapphire. If she united it with her Royal Ruby, it would give her immense power. The entire Kingdom of Fantasy was in danger! It was up to me to find the two gemstones first, with the help of new friends -- and this time, I had to travel in disguise. Cheese niblets! What an incredible journey!