You could write back to the publisher and congratulate them on their summer job. Advise them how impressed you are that they are showing initiative but could they please have their mommy or daddy call you back when they get in the office.
Sorry, sometimes I'm just nasty but maybe they would get the subtle hint.
I think delaying the release date for e-books is just plain petty though. Are they concerned that they'll get a class action lawsuit from p-book buyers for pain and suffering because they saw someone reading the book on a Kindle while they were waiting in line at a bookstore? I'm sorry it's an advantage of the technology that you can get the content delivered to you quicker. They don't have to handicap to get an even playing field.
... although I do think we should put governors on all automobiles so they can't drive any faster then the horse drawn buggies.