(德)乌纳·雅各布(Una Jacobs)文/图 (德)乌纳·雅各布(Una Jacobs)著 (德)乌娜·雅各布(Una Jacobs)编绘 (加)简·雅各布斯(Jan Jacobs)著 (美)卢·雅各布斯(Lou Jacobs)著