00404nam a2200145 a 450000500170000008200170001710000240003410000210005824500530007926000230013230000230015549000310017863000210020963000280023020251203090958.0  a155.671bSUM  aSummers, George, J.  aFriedman, Arthur  aMind teasersblogic puzzles & games of deduction  aDelhibSudhac1987  a128 p.b23 cm.cPB  aOvercoming common problems  aAdult Psychology  aDifferencial Psychology