Answer:
What invention lets you look right through a wall?
A dagger thrust at my own heart dictates the way I'm swayed. Left I stand and right I yield to the twisting of the blade. What am I?
In Paris but not in France the thinnest of its siblings.
Though not a plant I have leaves. though not a beast I have spine. Though many wouldn't need me I am more valuable than wine.
found at the back of the book.
Often cooked as fillet, this meat comes from an animal that swims underwater.