KE XUE YOU QU )WEI HUI SI CHUAN KE JI GUAN

title	ISBN-13	year of publication
Acoustics Optics - Science fun	978-7-5364-6335-6	1991
Materials Science - Science fun	978-7-5364-6333-2	1991
Science fun: Energy Water	978-7-5364-6332-5	1991
Science fun: Life Sciences	978-7-5364-6338-7	1991