A.G.
This isn't exactly what you are looking for as far as it being about helping out, but it's a good one. It's called I Love You the Purplest, and it's about how a mom loves one son the bluest and one the redest because they are both different and she loves them differently, but not one more than the other. It has beautiful watercolor pictures, too. It's a very sweet book. A friend of mine gave it to my 6 year old when his brother was born. We all still love it, 7 years later. Congratulations on your pregnancy!