In a clever twist, this beautifully illustrated and engaging account reveals that Darwin had help from an unlikely source: a beetle named Rosie, who possessed a very un-beetle-like urge to see the world. Rosie the Beetle accompanied Darwin on the now-famous voyage of the Her lively, witty narrative describes how she took Darwin under her wing, providing clues and hints that guided his insights. The young reader is challenged to use the clues to solve the mystery before Darwin does.