How well do you know your urban forest? Find the differences between the images below and you could be the winner of a new Amazon Kindle e-reader and $60.00 gift card to Amazon.com to stock your library with eco-friendly books!
Enter to win by October 12 by...
1) Telling us how many differences you found in the Comments section below and...
2) Sending a message to The Grove Administrator with a short description of each of the differences you found.
The winner will be chosen in a random drawing from the pool of entries and announced on October 13, 2011.