Fatherwise: 101 Tips for the New Father.
This little gem has all kinds of useful tips for the new or wanting-to-be-better daddy. On breastfeeding, it offers helpful tips such as "The only work that is strictly 'womens work' is breastfeeding (Tip 58)". It then goes on to detail how a daddy can be supportive of a breastfeeding mother by doing things like leaving bottles of water around the house in places that mommy breastfeeds to help her get all the water intake she needs.
Great baby shower gift for the new daddies!