秘密花园这本书主要说什么内容？

主要内容：

Mary was born in a rich family. After the death of her parents, she lived with an uncle whom she had never met and started a new life. She had heard that a secret garden at home was her aunt's favorite, but it had taken her life.

玛丽出身于富贵之家，父母双亡后寄居在素未谋面的姑丈家，开始了全新的生活。她听说姑妈最喜欢家里的一座秘密花园，但花园却夺走了姑妈的生命。

Mary finds the key to the garden, and discovers that her uncle had a son, Colin, who is in a similar situation: orphaned and grumpy. 

玛丽找到这座花园的钥匙，并发现姑丈原来有一个儿子柯林，而柯林也和自己的处境相仿：从小失去双亲的关爱，性格乖戾。

Mary and her friends experience many touching stories in the garden, which gradually brings Colin out of the shadow of seclusion.

玛丽和朋友们在花园中经历了许多感人的故事，柯林也因此渐渐走出孤僻的阴霾。