000 00354nam a2200145Ia 4500
020 _a9780794502737
082 _b1808
_a500.030
100 _a"Rachel Firth"
245 0 _aFirst Encyclopedia of Science
260 _b,The Usborne Internet-Linked
_c2000
300 _a64
944 _cR
999 _c657644
_d657644