p>
<p>"Your advice is wise," returned Ozma. "I thank you, Glinda, for
your promise to assist me."</p>
<p>"But how can you do it?" asked Dorothy. "How can you keep every
one from ever finding Oz?"</p>
<p>"By making our country invisible to all eyes but our own,"
replied the Sorceress, smiling. "I have a magic charm powerful
enough to accomplish that wonderful feat, and now that we have been
warned of our danger by the Nome King's invasion, I believe we must
not hesitate to separate ourselves forever from all