000			00498cam a2200157 a 4500
999			_c4690 _d4690
008			041222r20041995enka j 001 0 eng
010			_a94045113
020			_a0753405229
082	0	4	_a500 PAR _b.W872
100	1		_aParker, Steve.
245	1	0	_aI wonder why tunnels are round and other questions about building / _cSteve Parker.
260			_aLondon : _bKingfisher ; _aDanbury, Conn. : _bGrolier, _c2004, c1995.
300			_a32 p. : _bcol. ill. ; _c29 cm +
500			_aIncludes index.
942			_2ddc