The Colosseum is being haunted by a gladiator ghost. None of the tourists want to visit anymore! Geronimo must solve the mystery and rid the site of its ghost.*

While visiting Rome, Geronimo and Benjamin are pulled into the investigation of the "ghost" of a gladiator haunting the Colosseum and scaring tourists away. --

From the bestselling middle grade series, a chapter book about a mouse journalist searching for a missing computer, plus a bonus short mystery and jokes. Grandf

Geronimo unlocks the mystery in this fabumouse adventure -- which includes a bonus story! My sister, Thea, had discovered an enormouse old castle built by the f

When the rodent residents of New Mouse City begin succumbing to stomachaches, hiccups and weird green warts, Geronimo Stilton and his detective friend, Hercule