Tahta, Sophy.
Why is night dark? / [book] - [London, Eng.] : Tulsa, OK : Usborne ; EDC Publishing, 1990. - 24 p. : col. ill. ; 18 cm. - Usborne starting point science .
Grade level: 1, 2, 3, p, e.
1, 2, 3, p, e.
0746004281 (pbk.) 0881104426
Night
Time.
Solar system.
QC209.5 / .T358 1990
507 TAH
Why is night dark? / [book] - [London, Eng.] : Tulsa, OK : Usborne ; EDC Publishing, 1990. - 24 p. : col. ill. ; 18 cm. - Usborne starting point science .
Grade level: 1, 2, 3, p, e.
1, 2, 3, p, e.
0746004281 (pbk.) 0881104426
Night
Time.
Solar system.
QC209.5 / .T358 1990
507 TAH