I like the Dr. Sears series. He plainly states that circumcision is painful and not medically recommended. He is also the grandfather of Attachment Parenting. Pro Breastfeeding, Pro co-sleeping, Pro baby-wearing.
Keep in mind that he is also a doctor and he recommends vaxination, even the stupid chicken pox vaccine. One of his reasons is that the child might break out at an bad time and ruin a family vacation.