Thirteenth (Trade) paperback edition.
62 pages.
Price £1.95.
Cover and interior illustrations by Andrew Davidson .
First published in 1968 by Faber and Faber [hard back]
First published as a Faber paperback 1971
Reprinted 1972, 1973, 1977, 1980 and 1983
First published in this edition in 1985
Reprinted 1987 and 1988
Reissued in 1989
Reprinted 1989 and 1990 (twice).