Blue book
By: prepared by Mary Cullen... [et al.], for the Ely Resource and Technology Centre.
Contributors: Cullen, Mary.
Series: Network, with few words
Publisher: Hutchinson for Leapfrogs
Published: 1975
Place of publication: London (etc)
Language: eng
Notes: Originally published under the title 'With few words (Blue book)' by the Ely Resource and Technology Centre.