If you like to read, you might be interested to know that it takes somewhere in the neighborhood of 5 trees to print 1,000 books. At first glance this may not sound like much, but consider the fact that about 3 billion books are sold each year worldwide.
Love to read? Check out Paperback Swap. It is easy to do and free. You will be asked to post 9 books at first and you will receive 3 credits to get 3 books.