1. Doctor Who: Ghosts Lights
by Carol, Publishing 
Price: USD 20.22
Dealer: Alibris, Bob Richardson via Alibris
Description: Target 1990 First edition. Mass-market paperback Very good. target book. 

2. Doctor Who: Ghost Light
by Marc Platt 
Price: USD 20.79
Dealer: Biblio, Ergodebooks
Description: Carol Pub Group, Date: 1990-11. Paperback. Good. 1990. Carol Pub Group ISBN 0426203518 9780426203513 [US] 

3. Doctor Who Ghost Light Signed By Seventh Doctor Sylvester McCoy
by PLATT MARC 
Price: USD 25.23
Dealer: Biblio, Ripping Yarns
Description: London: Target Books, Date: 1990. 1st Edition. . Paperback. Good. Paperback, 141. No.149 in the Target Dr Who Library series. Very faintly tanned at edges of pages, a little scuffed at some edges but clean tight and good copy. 1990. Target Books ISBN 0426203518 9780426203513 [GB] 

4. Doctor Who Ghost Light (Signed By Seventh Doctor, Sylvester McCoy)
by PLATT, MARC 
Price: USD 25.65
Dealer: AbebooksUK, Ripping Yarns
Description: ISBN10: 0426203518, ISBN13: 9780426203513, [publisher: Target Books, London] Softcover First Edition Paperback, 141. No.149 in the Target Dr Who Library series. Very faintly tanned at edges of pages, a little scuffed at some edges but clean tight and good copy. [London, United Kingdom] [Publication Year: 1990]