000 00429nam a2200145 a 4500
005 20150716115925.0
020 _a0-590-22227-9
100 _aWick, Walter
245 _aOptical Tricks /
_cWick, Walter.
260 _aNew York, NY :
_bScholastic, Inc,
_c1998.
520 _aPresents a series of optical illusions and explains what is seen.
650 _aOptical illusions
_xJuv. Lit.
650 _aVisual perception
942 _c UKN
999 _c55979
_d55979