The Salt Merchant and the Donkey 【English/Japanese versions】

著者名：YellowBirdProject/Aesop Fables/Chihiro

YellowBirdProject/学研（2020/01発売）

内容説明

A donkey, accompanying a salt merchant, is sick of carrying heavy bags of salt every time its master stocks up. If there’s a way to make a bag of salt lighter, would you tell the donkey?（KiiroitoriBooks,Vol 42）