I kind of like them, but I think that they're not enough; that's why I'm writing a book about this.

我有点喜欢他们但是我想他们的计划并不周全;,所以我正在写一本关于这个的书。

耶鲁公开课 - 金融市场课程节选

You could also write a diet book regarding a place.

你也可以写一本关于某个地方的书

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选