A long work for young readers set in wartime China, involving espionage and military action. While carrying the momentum of adventure, it depicts the anxiety and moral questions that war forces upon people.

The story around the burning lake uses the form of adventure to convey the shadow of war to young readers.

A picture book centered on a small frog, using words and images close to a young child's everyday sensibility to depict affection for living things and small discoveries. Haruyo Ie's illustrations support its gentle movement and expression.

Through the little frog Kero, the world of young readers opens outward.