Today, when you order "Spirit Writer", you'll instantly be emailed a Penguin Magic gift certificate. You can spend it on anything you like at Penguin, just like cash. Just complete your order as normal, and within seconds you'll get an email with your gift certificate.
This is a good price for a very important gimmick. It's a bit fiddly to use but worth the practise
because with it you can perform some amazing tricks and feats of mentalism.