UnScramble this Word: r s t u p i r?

Questions

Which book written by Edith Holden became a best seller recently, well after her death?

Who becam an actor after being dismissed by Marks and Spencer training scheme because of his outrageous clothes?

What are cone bearing trees called?

What are the following pig,craps and Everest?

Which well known character also operates under the following names; Old Harry,Clootie,Auld Hornie?