You can pre-order CONCUSSION INC., in either book or Kindle ebook form, at http://amzn.to/1yQNPXY. For the $19.95 list price, you also can order an autographed copy with free shipping in the U.S., by sending a check or money order to Irvin Muchnick, P.O. Box 9629, Berkeley, CA 94709, or remitting that amount via PayPal to [email protected]. (Canadian orders, add $12.00 US for shipping. All other foreign orders, add $20.00 US for shipping.)