penguin books puffin books imprint first uk p/b printing, first p/b edition
dedication: for richard, who thought of indigo rubber, and micky, who helped with the chemicals
cover art by maggie heslop (credited on back cover)
cover price 55p (overseas territories' prices?)
192pp. including 6pp. titles, indica etc, 3 end pp: 1 blank p, 2pp. advertising
puffin books imprint near-identical second printing 1981 differs:
cover price 90p, $2.95 australia, $1.95 canada
192pp. including 6pp. titles, indica etc, 3 end pp: 1 blank p, 2 pp. advertising (adverts may differ)