Originally Posted By: Adriel Ownbey
..The strategy guide says, "certain levels of village tech..

I believe you are reading the "hints" and not the "detailed spoilers" thread in the guide section.

Here is the link to the DETAILED SPOILERS FOR VV1

Here is an excerpt from that detailed guide on puzzle 13:

Originally Posted By: "VV1 Detailed Guide"
Puzzle 13 is the birth of the Golden Child and requires the completion of the idol, the lagoon, and Level 3 in Fertility. You will need to take a nursing mom to the lagoon.

TO VIEW THE HIDDEN TEXT ABOVE, HIGHLIGHT IT WITH YOUR MOUSE.