Answer:
I can travel from there to here by disappearing, and here to there by reappearing.
Inside a great blue castle lives a shy young maid. She blushes in the morning and comes not out at night.
Left to right Iβm quite bright. Right to left I might bite.
Walk on the living, they donβt even mumble. Walk on the dead, they mutter and grumble
A word of five letters, Upside down is the same, A shark does this, But itβs not to blame. What is the word?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.