Borthwick

Aviation Mathematics: Based on a Text Used for Training R.A.F. Pilots and Members of the British Air Training Corps by A. F. Buchan,R. Borthwick,William R. Wadden Kessinger Publishing Paperback 1 September 2007 from£17.65 | RRP: ~~£14.21~~
A Vos Marques!: Accelerated French Course for False Beginners by Robin Adamson,etc.,Alison Andrews,Alison Borthwick,Brigette Edelston,Sandy Tippett Routledge Audio Cassette 1 September 2007 from£63.45 | RRP: ~~£52.88~~