Intelligent puzzles
Russell, Ken
Intelligent puzzles Ken Russell; - London : Foulsham, c1992. - 213p. : ill. ; 20 cm.
072018061
GV 1493 / .In61 1992
HS 793.73 / INT 1992
Intelligent puzzles Ken Russell; - London : Foulsham, c1992. - 213p. : ill. ; 20 cm.
072018061
GV 1493 / .In61 1992
HS 793.73 / INT 1992