Over the past 500 million years, there have been five major life extinction events on planet Earth. We're now witnessing the sixth extinction, says author Elizabeth Kolbert in her new book of the same name. Amy Mills has this month's KPCW book review.
KPCW invites members of the Friends of the Park City and Summit County libraries to review novels and non-fiction every month.
August Book Review - The Sixth Extinction by Elizabeth Kolbert
