Notes: • "First published in 1969 by Mayflower Books Ltd" • "Reprinted 1969, 1972, 1973, 1974, 1975"; thus sixth printing, no number line • The artist is not credited, no visible signature on the artwork; credit from Ragged Claws • UK 40p, Canada $1.50, Australia $1.30, New Zealand $1.30 • OCLC has records for every printing up to 1977 except this one