Doctor Who, the three Doctors ...
By (author): "Dave Martin, Bob Baker, Terrance Dicks"
ISBN0855230533
ISBN139780855230531
AsinDoctor Who, the three Doctors ...
CharactersThe Second Doctor, The First Doctor, Jo Grant, UNIT, Brigadier Lethbri
Original titleDoctor Who: The Three Doctors (Target Doctor Who Library)
SeriesDoctor Who Library (Target) #64, Doctor Who Novelisations #65, Adventures of the 3rd Doctor #46, Lethbridge-Stewart