Our postal ordering system is no longer available, and all purchases of Professor Silk's book can now only be made online.  Alternatively the book is available by order through most book shops  - ISBN 1-901430-01-4.

Please accept our apologies for any inconvenience caused.

Thank you for visiting our web site.  All proceeds from Professor Silk's book and donations go towards furthering our research into the causes of IBS and into helping develop cures for it.