Arthur Lupton

A.L. · Arthur L

title	ISBN-13 (ISBN-10)	year of publication
Book of the 250c.c. B.S.A.	978-0-273-25227-6 (0-273-25227-5)	1973
Book of the 250c.c. B.S.A.	978-0-273-40406-4 (0-273-40406-7)	1969
Second Book of the B. S. A. Twins	978-0-273-40530-6 (0-273-40530-6)	1971