This wonderful, simple story from the Frog series tackles prejudice head on — now available as a mini-hardcover.
　　When a rat comes to live at the edge of their wood, the animals decide they don’t like having a stranger in their midst. But Frog is friendly by nature, and decides to find out if Rat is really as unpleasant as he is made out to be. As Frog discovers, Rat is intelligent and good-hearted, and proves in a series of unexpected emergencies that the other animals have been too quick to condemn him.

這是一套有助于孩子心靈成長的心理教育故事。每個故事都自然流露出某種重要的主題，充滿了想像力。文圖都是馬克斯·維爾修思創作的，文字透著生動和淺淺的幽默，圖畫則是鮮有的簡筆畫風格，被西方藝術家譽為“簡筆畫世界的杰作”。目前該系列已經被翻譯成38種語言，全球銷量逾百萬冊。
本書是兒童心靈成長圖畫書系之一，青蛙弗洛格的成長故事——學會接納與自己不一樣的人，為處在性格形成關鍵期(3-6歲)的孩子準備的一份心理自助禮物。
我們常常會碰到外表、性格和習慣跟自己不一樣的人。這個時候，不要一味地排斥、疏遠他(她)，試著慢慢地觀察和了解，你就會發現他(她)的優點。說不定最后你們能成為很好的朋友!