1^st ed. Part I – March 1950 – 2/-
by S.L. Poole
4" × 6" / 10 cm × 15 cm – 73 pp.

1^st ed. Part II – February 1951 – 2/-
by S.L. Poole
4" × 6" / 10 cm × 15 cm – 64 pp.

2^nd ed. – October 1954 – 2/-
by S.A. Newman
4" × 6" / 10 cm × 15 cm – 56 pp.

3^rd ed. – 1957 – 2/6

4^th ed. – August 1959 – 2/6
4" × 6" / 10 cm × 15 cm – 64 pp.

5^th ed. – December 1960 – 2/6
4" × 6" / 10 cm × 15 cm – 64 pp.

6^th ed. – 1963 [Dec. 1962] – 2/6
4" × 6" / 10 cm × 15 cm – 72 pp.

7^th ed. – 1965 – 4/6

8^th ed. – 1969 – 6/-
5" × 7¼" / 12.5 cm × 18.5 cm – 64 pp.
SBN 7110 0078 6

x^th ed. – 1978 – 95p
5" × 7¼" / 12.5 cm × 18.5 cm – 64 pp.
ISBN 0 7110 0604 0

1985 – £3.95
by John Glover & Colin J. Marsden
4¾" × 7¼" / 12 cm × 18.5 cm – 112 pp.
ISBN 0 7110 1460 4

1997 – £7.99
by John Glover
4¾" × 7¼" / 12 cm × 18.5 cm – 96 pp.
ISBN 0 7110 2545 2

1994 – £7.99
by David Leboff
4¾" × 7¼" / 12 cm × 18.5 cm – 160 pp.
ISBN 0 7110 2226 7