Rachel McClintock Franklin: Expecting Twins, Triplets, and More: A Doctor's Guide to a Healthy and Happy Multiple Pregnancy
Karen Kerkhoff Gromada: Mothering Multiples: Breastfeeding and Caring for Twins or More! (La Leche League International Book)
Marc Weissbluth M.D.: Healthy Sleep Habits, Happy Twins: A Step-by-Step Program for Sleep-Training Your Multiples
Barbara Luke: When You're Expecting Twins, Triplets, or Quads: Proven Guidelines for a Healthy Multiple Pregnancy, 3rd EditionShould have read this earlier in the pregnancy since a lot of it deals with diet and proper weight gain before 24 weeks.