谁来告诉我tract和booklet的区别？

据字典解释，tract作小册子解释时，特指含申告或诉求的小册子，特别是宗教小册子。而booklet就是一般通用的小册子。见下面释意：

Tract: A leaflet or pamphlet containing a declaration or appeal, especially one put out by a religious or political group.

I think they are the same thing.