The Mystery on the Great Wall of China

112 <strong>The</strong> <strong>Mystery</strong> on the Great Wall of China
reminded herself. See what others don’t see.
<strong>The</strong>se were the things Mimi had told her about
solving mysteries. She squealed. “<strong>The</strong>re is an X,
there is an X!” she said.
<strong>The</strong> other kids stared at the wall.
“Where?” said Li. “I do not see any X.”
“I do not think you should tease us,
Christina,” said Cong. “<strong>The</strong>re is not time for that.”
But Grant just looked at his sister. He
knew that if she said she saw an X on the wall that
she meant it. But no matter how hard he stared
and squinted, he could see nothing but blank wall.
“Look!” Christina said, pointing to the
map then to the wall. “If you draw an imaginary
line with your eye from the X on the watchtower
to the X on the signal beacon…like this…” She
moved her finger across the map. “<strong>The</strong>n you
draw an imaginary line from the watchtower to
the wall and from the signal beacon to the wall,
the lines intersect…and…”