000 00417nam a2200181Ia 4500
008 170705s9999 xx 000 0 und d
020 _a9780531228012
245 _aBlack holes /
245 _cby Ker Than.
260 _aNew York :
260 _bChildren's Press,
260 _c2010
300 _a48 pages :
300 _bcolor illustration ;
300 _c21 cm.
440 _aA true book.
500 _a940
999 _c337104
_d337104