Misc: What is the earth's outer layer of surface soil or crust?

Questions

Which novelist's latest chiller is called "Bag of Bones"?

What word is used in a balance sheet to mean "What a company owes to its suppliers and lenders"?

With which musical instrument is Julian Bream chiefly associated?

In Germany, where would you be if you were in a "Krankenhaus"?

What is the name of the Nike sports logo?