"Rachel Merrill, mother of three, was holding innocuous-seeming contraband
in her hand at an Arlington Goodwill store earlier this month: a 1971
edition of "Little House on the Prairie." This copy of the children's
classic had just become illegal to resell because of concerns that some old
books contain lead in their ink. "

http://www.washingtonpost.com/wp-dyn...id=smartliving

It's for the children.