1. Quasar Quartz Quest: 4 (Puzzle Planet S. )
by Blackman, Malorie 
Price: USD 15.09
Dealer: Alibris, Goldstone Books via Alibris
Description: Orchard Books 1996 hardcover Good Ex-Library Book. Has usual library markings and stamps inside. All orders are dispatched within 1 working day from our UK warehouse. Established in 2004, we are dedicated to recycling unwanted books on behalf of a number of UK charities who benefit from added revenue through the sale of their books plus huge savings in waste disposal. No quibble refund if not completely satisfied. 

2. Quasar Quartz Quest: 4 (Puzzle Planet S.)
by Blackman, Malorie 
Price: USD 4.42
Dealer: AbebooksUK, Goldstone Books
Description: ISBN10: 1852139382, ISBN13: 9781852139384, [publisher: Orchard Books] Hardcover Ex-Library Book. Has usual library markings and stamps inside. All orders are dispatched the following working day from our UK warehouse. Established in 2004, we have over 500,000 books in stock. No quibble refund if not completely satisfied. [Llandybie, United Kingdom] [Publication Year: 1996]  

3. Quasar Quartz Quest: 4 (Puzzle Planet S.)
by Blackman, Malorie 
Price: USD 1.09
Dealer: AbebooksUK, WorldofBooks
Description: ISBN10: 1852139382, ISBN13: 9781852139384, [publisher: The Watts Publishing Group] Hardcover The book has been read but remains in clean condition. All pages are intact and the cover is intact. Some minor wear to the spine. [Goring-By-Sea, WS, United Kingdom] [Publication Year: 1996]  

4. Quasar Quartz Quest: 4 Puzzle Planet S.
by Blackman Malorie 
Price: USD 1.07
Dealer: Biblio, World of Books Ltd
Description: Hardback. Good. ISBN 1852139382 9781852139384 [GB]