Wow. John Loftus has a couple of very interesting posts on child sacrifice here and here. Is this right? I've had my suspicions, but I've never been sure. Sometimes the text is a little ambiguous. Here's one example.
Exodus 22:29 “You shall not delay to offer from the fullness of your harvest and from the outflow of your presses. The first-born of your sons you shall give to me. 30 You shall do likewise with your oxen and with your sheep: seven days it shall be with its dam; on the eighth day you shall give it to me."
Does this mean these firstborn are "set apart" or offered as burnt offerings. In light of the other information at the links above it seems very plausible to think this means burnt offerings. Worth looking into.