Seeing double :
Block, J. R.
Seeing double : over 200 mind-bending illusions / J. Richard Block. - New York : Routledge, 2002. - 140 p. : color ill., 26 cm.
Includes bibliographical references and index.
0415934826 (pbk. : alk. paper)
2002009235
Optical illusions--Pictorial works.
QP495 / .B563 2002
152.14/8
Seeing double : over 200 mind-bending illusions / J. Richard Block. - New York : Routledge, 2002. - 140 p. : color ill., 26 cm.
Includes bibliographical references and index.
0415934826 (pbk. : alk. paper)
2002009235
Optical illusions--Pictorial works.
QP495 / .B563 2002
152.14/8