Hitchen’s book “God is Not Great” presents a detailed look at why religion spoils everything. The extent of logic and examples he presents concerning many different religious cultures and how they commit atrocities will shock even a moderate atheist. His chapter on child abuse and religion was particularly revealing. He describes in depth the torture inflicted on young children through female circumcision in many religions (including Islam) and male circumcision in the Judeo-Christian religion (among others).
I highly recommend this especially to those who wish to know more when demonstrating to the religious how religion does more harm than good. The minimal “good” that religion produces by no means justifies the increasing number of large scale demonstrations of greed, manipulation and bloodshed incurred by religion. I’ll let Hitchens take it from here and plug his own book: