故事简介
《The Frog Prince》（青蛙王子）是格林兄弟收集的一则著名童话，讲述了一位骄傲的公主在井边丢失了金球，被一只青蛙帮助后却不愿履行承诺。最终，在国王的教导下，她学会了信守诺言，并意外地解除了王子身上的魔法。
绘本正文（节选）
In a faraway kingdom, there lived a beautiful but spoiled princess.
One day, while playing near a deep well, she dropped her golden ball into the water. She sat by the well and cried bitterly.
Suddenly, a frog popped his head out of the water and said, “Why are you crying, Princess?”
“I dropped my golden ball into the well,” she replied.
“I can fetch it for you,” said the frog, “but you must promise to be my friend, let me sit beside you at your table, and sleep in your bed.”
The princess agreed quickly, thinking, “What does a silly frog know about friendship?”
But when the frog brought back her ball, she ran away without keeping her promise...