Could you help me on the last few clues, please. 17ac Food is something you can't live without (5ltrs) --l-e 17dn Did such ships travel at a good pace (6ltrs) --r-t- Please could you confirm the following. 20dn Award to the winner a ballpoint (6ltrs) b-s-o- Think it may be bishop but not sure why! 23dn How the current theory is exploded? (5ltrs) -l-w- Again think it may be blown or flown....... Many thanks. Four Clubs