Description: The winner of the 21st Mahaesong Literature Award. This book follows a grandfather who turns into a tiger and decides to return to Mount Baekdu with his grandson, Biro. Their journey is depicted grandly and movingly. The symbolic tiger and fantasy elements blend seamlessly with the grandfather-grandson relationship, vividly bridging past and present, imagination and reality. It explores awe for nature, family bonds, and the tragic tension caused by human greed, offering a unique Korean adventure narrative that resonates across generations.