The everything pencil puzzles book : sharpen up your puzzle solving skills /
Timmerman, Charles
The everything pencil puzzles book : sharpen up your puzzle solving skills / Charles Timmerman. - Avon, Massachusetts : F+W Publications, Inc., c 2006. - 206 p. : ill. ; 18 cm.
1-59337-584-0
Mathematical Recreation
Puzzles
793.7322 T584 2006
The everything pencil puzzles book : sharpen up your puzzle solving skills / Charles Timmerman. - Avon, Massachusetts : F+W Publications, Inc., c 2006. - 206 p. : ill. ; 18 cm.
1-59337-584-0
Mathematical Recreation
Puzzles
793.7322 T584 2006