From TARDIS Index File, the free Doctor Who reference.

Doctor Who – Trial of a Time Lord The Mysterious Planet
Series:	Doctor Who- Target Novelisation
Release Number:	127
Doctor:	Sixth Doctor
Companions:	Peri
Enemy:	Valeyard, Inquisitor Sabalom Glitz, Drathro, Tribe of the Free
Setting:	Time Lord Station, Ravalox / Earth, 2,000,000 Future
Author:	Terrance Dicks
Publisher:	Target Books, W.H. Allen & Co
Publication:	November 1987 (hardcover) April 1988 (paperback)
Format:	Hardcover and paperback editions, 127 Pages
ISBN:	ISBN 0-426-20319-4
Previous Story:	Doctor Who - Timelash (Revelation of the Daleks was not novelised)]]
Following Story:	Doctor Who – Mindwarp

Novelisation

• This novelisation is based on the original television serial DW: The Mysterious Planet (part 1 of Trial of a Time Lord ) which was shown from 6th September 1986 and this section was written by Robert Holmes
• The cover and information shown on the right is for the original Target novel and featured the artwork of Tony Masero. (See below for information on other UK and international editions which published with a different cover).

Publisher's Cover Blurb

The TARDIS has been taken out of time and the Doctor has been brought before a court of his fellow Time Lords. There the sinister Valeyard accuses the Doctor of breaking Gallifrey's most important law and interfering in the affairs of other planets.
If the Valeyard can prove him guilty, the Doctor must sacrifice his remaining regenerations. To prove his case the Valeyard focuses on an adventure set in the Doctor's past.
It is an adventure set on the planet Ravolox, a seemingly primitive world but one which the Doctor and Peri find strangely familiar…

Illustrations

• None

Deviations from the Televised Story

To be added

Author, Writing and Publishing Notes

• To be added

Associated Images

To be added

Publishing History (UK)

Hardback (November 1987)

• W.H.Allen & Co. Ltd. UK ISBN:0491030967, copies priced £7.95 (UK))

Paperback (April 1988)

• Target / W.H. Allen & Co. Ltd. One single paperback edition, estimated print run: 22,500, priced £1.99 (UK).

International Editions

To be added

External Sources

• The Target Book by David J Howe (Telos Publishing 2007)
• On Target a comprehensive guide to the Target novelisations by Tim Neal