How the Immune System Works (The How it Works Series) Wiley-Blackwell
11 Proven Benefits of Fasting (No. 1 is Our Favorite
Intermittent fasting has loads of health benefits, including clearer skin, weight loss, and a boost in the immune system. Find out how fasting can help you lose weight at http://avocadu.com/benefits-of-fasting/
Cervical Dilation Chart - This is my favorite illustration of cervical dilation. It made me laugh the first time I saw it, and laughter is good in pregnancy and labor. :) I just ordered it for my birth class.