Doctor Who and the Invisible Enemy (Terrance Dicks) W. H. Allen & Co. Ltd


29/03/1979 W. H. Allen & Co. Ltd UK
Cover by Roy Knipe. Print run: 3,500.
REF: ISBN 0-491-02437-1OP: £3.25 h/b
NM: £120 N/M submitted by Christian Moitzi


29/03/1979 Target/W. H. Allen & Co. Ltd UK
Cover by Roy Knipe. Red curve logo. White spine. Colour decal. Print run: 27,000.
Product description -
A mysterious cloud drifts menacingly through space...
A sudden energy flash and the Doctor is infected with the Nucleus of a malignant Virus that threatens to destroy his mind.
Meanwhile, on Titan, human slaves prepare the Hive from which the Virus will swarm out and infect the universe.
In search of a cure, Leela takes the Doctor to the Foundation where they make an incredible journey into the Doctor's brain in an attempt to destroy the Nucleus.
But can the Doctor free himself from the Nucleus in time to reach Titan and destroy the Hive? Luckily he has help — in the strangely dog-like shape of a mobile computer called K9...
REF: ISBN 0-426-20054-3OP: 60p p/b
NM: £3.50


29/03/1979 Target/W. H. Allen & Co. Ltd UK
REF: ISBN 0-426-20054-3
OP: 75p p/b
NM: £2.50


1980 Target/W. H. Allen & Co. Ltd UK
Print run: 12,000.
REF: ISBN 0-426-20054-3OP: p/b
NM: £2.50


1982 Target/W. H. Allen & Co. Ltd UK
Cover by Roy Knipe. Red curve logo. White spine. Colour decal. Two printings in 1982.
REF: ISBN 0-426-20054-3OP: £1.25 p/b
NM: £2.50


1984 Target/W. H. Allen & Co. Ltd UK
Cover by Roy Knipe. Red curve logo. White spine. Colour decal.
REF: ISBN 0-426-20054-3OP: £1.35 p/b
NM: £2.50