A children's novel in which the pet cat Rudolf accidentally rides a truck to unfamiliar Tokyo and meets Ippaiattena, a large stray cat who can read. With humor, it portrays friendship, learning, and living by one's own strength.

A lost black cat expands his world after meeting a learned stray.

A children's literary work centered on calligraphy as a space of play and learning. It portrays the pleasure of writing characters, expression that begins in make-believe, and relationships among children and adults.

Through the play of holding a brush, a child's power of expression comes into view.

A children's literary work whose title points to friendship between a child and an adult. Through an encounter across generations, a child gradually expands his world.

Meeting an adult friend opens another window in a child's everyday life.