About Us

This website is owned and managed by Principia Publishing Ltd (formerly 101 Private Tutors Ltd).

Black Dragon Revision and Revision Tools are trading names of Principia Publishing Ltd.

Principia Publishing Ltd is a limited company registered in England and Wales under company number: 7994934.

Our registered office is: Principia Publishing Ltd, Pera Business Park, Nottingham Road, Melton Mowbray, Leicestershire, LE13 0PB, UK.

Should you have any queries you may contact the directors through the Contact page of this website.