6d London garden with one bird (4) ED?? looks like eden??
11a he takes a kind of machine-gun to reveal a writer (8) S?N??A?R (the N is a guess from edeN)
Thanks dannyk13.......... but the E and D are defo correct ... E comes from the prairiE (anagram of hire pirate)
and D comes from Dryope (dryope was a princess... and she is hidden in the clue)