The Manual
I like this book because it's technical. Here's an excerpt:
The Baby: Diagram and Parts List
Virtually all current models come pre-installed with the following features and capabilities. If the baby is missing one or more of the functions described herein, contact the baby's service provider immediately.
The Head
+The Head: May initially appear unusually large or even cone-shaped, depending on model and delivery option.
+Circumference
+Hair: Not available upon delivery with every model. Tint may vary.
+Fontanels (Anterior and Posterior)
+Eyes
The Body
+Skin
+Umbilical Stump
+Rectum
+Genitals
+Fuzz
+Weight
+Length
+Neck
There's a bunch of detailed info I left out, but you get the idea.