U.K. £5.99
First pubblished in Great Britain 1976
Pubblished as a paperback in 1977 by Methuen Children's Book Ltd.
Magnet edition reprinted ten times
Reissued 1990 by Mammoth, an imprint of Egmont Children's Book Limited
Reprinted 1991, 1993 (twice), 1994, 1995 (twice), 1996, 1997 (twice), 1998.