本書是由知名的兒童插畫作家艾瑞克˙卡爾為幼兒所設計的讀本,書中以押韻問答的方式帶領孩子認識10種動物及10個動詞。當讀者翻開第一頁便看到一隻大北極熊,在左面問到Polar Bear, Polar Bear, What do you hear?,在右面則回答: I hear a lion roaring in my ear.,當讀者翻到下一頁便看到了一隻大獅子,而問句則改成 Lion, Lion, What do you hear?,右面是獅子的回答: I hear a hippopotamus snorting in my ear.,全書便以這種簡單、有韻律又押韻的方式書寫而成,讓孩子在閱讀中除了認識動物外,還能學到不同動物的發聲動詞,如lion roar, leopard snarl, walrus bellow等。由於此書的格式簡單、圖片鮮活亮麗,而且以幼兒易翻閱的厚紙板印製,極適合幼兒閱讀!
Zoo animals from polar bear to walrus make their distinctive sounds for each other, while children imitate the sounds for the zookeeper.