一只默默无闻的小老鼠，失去家人，可怜兮兮，后来从猫的肚子里救了妈妈，从笼子里救了爸爸，又找回了远方的姐姐，变成了英雄，可是被问到你是谁家的老鼠，它居然说……

"Kirkus Reviews" The quintessential picture books can't be plotted out or put into any other words; ergo,"Whose mouse are you?/Nobody's mouse./Where is your mother?/Inside a cat./Where is your father?/Caught in a trap..." "But that's all we'll tell you -- "the ending is too good to give away...