If this sort of thing interests you, then either the modern Moebius Noodles[1] material or the vintage Young Math[2] materials like "Maps, Tracks, and the Bridg

If this sort of thing interests you, then either the modern Moebius Noodles[1] material or the vintage Young Math[2] materials like "Maps, Tracks, and the Bridges of Konigsberg: A Book about Networks by Michael Holt" would also. [1] http://http://www.moebiusnoodles.com/ http://http://www.moebiusnoodles.com/ [2] http://www.valerieslivinglibrary.com/math.htm http://www.valerieslivinglibrary.com/math.htm