HOW TO ENTER THE PRIZE PUZZLES

A fine Telegraph fountain pen and notebook will be awarded to the sender of the first correct solution opened from all entries received to each puzzle.

To enter by email:

Send your scanned solution and coupon, along with your postal address, to: prize.puzzles@ telegraph.co.uk with Sunday Toughie 14 or Sunday GK 1535 or EV 1537 or Griddler 1645 in the subject field.

To enter by post: Closing date:

Send each entry in a separate 9am Wednesday, May 11. envelope to: Sunday Toughie 14 Solutions and winners in two or Sunday GK 1535 or EV 1537 or weeks. Please allow up to six weeks Griddler 1645, for the delivery of your prize.

Telegraph Media Group, 111

Buckingham Palace Road, London

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