000			00330nam a2200133Ia 4500
005			20260205054118.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a793.74 SH23D
100			_aShasha, Dennis L.
245		0	_aDoctor ecco's cyber puzzles
260			_aN. Y. _bW. W. Norton _c2002
300			_a230p.
942			_cBK
999			_c132986 _d132986