published by oxford university press, favela - four decades of living on the edge in rio de janeiro, by janice perlman was released in 2010. the author reencounters many favela residents she lived with 40 years prior, and meets their children and grandchildren. 

praised for being written with compassion, artistry, and intelligence, this book evaluates the many improvements made in education, democracy, and material conditions - yet, it also considers some of the issues still faced by local residents, such as marginalization and under-paid employment.

furthermore, this award-winning work addresses the effects of the drug-related violence on the lives of many families. this book is also available on google books, and it can be read on this link.