On page 11, in the upper left example it says: "No uninterrupted line can be traced from the Rangers to any of the dots in the grey squares",
while it should be: "... to any of the dots in the blue squares."
On page 11, in the upper left example it says: "No uninterrupted line can be traced from the Rangers to any of the dots in the grey squares",
while it should be: "... to any of the dots in the blue squares."