Is this a danger?

[bholler]

Exactly.

Here's the bad news - most people don't know that wood needs to be seasoned.

Here's the good news - most people buying firewood use it in a fireplace, rather than in a stove, where moisture content doesn't really matter.

Why doesn't moisture content matter in a fireplace? I think it actually matters more. Wet wood used in a fireplace can make a huge mess out of the chimney very quickly