Read My Mind!

Here's the Cover For RFID Essentials

Here's a low-res shot of the cover art for the book. Mary told us that this is based on a photo of a train yard, and that is the train's headlight in the bottom right corner. While it's not really meant to be symbolic of anything the reference to shipping and something big approaching seems appropriate. The signal lights reminds me of modem lights (router lights for you youngsters).

(click for larger image)