Brooklyn author and freelance journalist Lydia Denworth will sign copies of her book, "Toxic Truth: A Scientist, A Doctor and the Battle Over Lead," at 7 p.m. today at Bloomsbury Books, 290 East Main St., Ashland.

Brooklyn author and freelance journalist Lydia Denworth will sign copies of her book, "Toxic Truth: A Scientist, A Doctor and the Battle Over Lead," at 7 p.m. today at Bloomsbury Books, 290 East Main St., Ashland.

Denworth tells the story of two men's successful effort to ban lead from paint, gasoline, and food packaging in face of the lead industry's well-funded efforts to discredit and silence them.

Call the bookstore at 488-0029.