Excellent book about the organizing that goes into the work of challenging and changing social norms and laws. Toward the end, the hopeful point was made that whether groups endure or pop up and disappear, whether they change a law or dissolve without what many consider a measurable success, the fact of their existence and teaching is progress for a more just future. 

There is a good quote in the introduction from Mari Matsuda about "asking the other question" when you are organizing around a particular issue:

"The way I try to understand the interconnection of all forms of subordination is through a method I call "ask the other question." When i see something that looks racist, I ask, "Where is the patriarchy in this?" When I see something that looks sexist, I ask, "Where is the heterosexism in this?" When I see something that looks homophobic,  I ask, "Where are the class interests in this?" Working in coalition forces us to look for both the obvious and the nonobvious relationships of domination, and, as we have done this, we have come to see that no form of subordination ever stands alone."