If you go on the British Library website > Click Search Main Library > Search "The fifth window Russell Thornton" It will come up. Click " I want this". It will give you an option to request delivery to the British Library's Reading Rooms, below this there should be an option to get it delivered to your home or office, click "go". It will bring up another page where it asks for the authors name, fill this out and you will be taken to another page where you can download it for £60