logic problem puzzles

$4.29 Logic Problem Magazine Set*Mixed Issues* 190+ Puzzles!	$10.50 4 PennyPress/Dell Variety Puzzle Books--New-Word Seek-Logic Problems & more fun
$6.00 Puzzle Chest Over 1100 Math Puzzles Logic Problems Optical Illusions Homeschool	$4.87 Puzzle Square: Mind Benders: Including Sudoku, Sequential Puzzles, Logic Problem
$6.94 Math Ties B1: Problem Solving, Logic Teasers & Math Puzzles, Terri Santi, Good B	$19.50 ThinkFun River Crossing Jr. Junior Game Learn Problem Solving Logic Puzzle
$1.48 Myst PC CD award winning maze problem solving logic graphic puzzle island game!	$7.96 Logic Posters, Problems & Puzzles (Grades 3-6), Honi Ba
$4.49 Englands Best: Logic Problem Magazine Set*200+ Puzzles	$4.95 PROBLEM SOLVING Logic Puzzles Grades K-1 New
$3.95 Mastermind Shape Problems Puzzles Logic Games Problems	$10.82 Math Ties A1: Problem Solving, Logic Teasers and Math Puzzles (Grades 4-6)
$9.49 Loopy Logic Problems & Other Puzzles (Mastermind Collection)	$13.49 Math Ties B1: Problem Solving, Logic Teasers & Math Puzzles
$2.92 Loopy Logic Problems & Other Puzzles (Mastermind Collection) By Ivan Moscovich	$4.99 Brain Games 2005 PC CD logic thinking problems puzzle strategy game collection!
$3.28 Logic Posters, Problems & Puzzles (Grades 3-6) - Paperback	$15.00 Penguin Book 866 A Problem A Day by R.M.Lucey Calendar of Logic & Maths Puzzles
$6.75 Loopy Logic Problems & Other Puzzles (Mastermind Collec