To attempt this month's codeword puzzle, click here.
The May Puzzle
Guess the mystery bird and you could win:
£20 worth of Subbuteo Books vouchers
How to play
In the puzzle below every letter of the alphabet is used at least once.
Every letter has its own number from 1 to 26.
In this particular puzzle one of the words is: ZEST - if you place these letters you will see the puzzle come to life.
The black letters below the puzzle will turn grey once they have been placed, giving you an indication of the letters remaining.
To completely restart the puzzle click the Refresh button.
To delete a single letter, highlight that letter and press the Delete key.
Rearrange the letters in the coloured squares to find the name of a mystery bird. To enter, send the name of the bird and your postal address to us by filling in this form or by emailing firstname.lastname@example.org
The closing date for entries is: Monday, 3rd June 2013.
The winner will be selected at random from the entries received and will win £20 worth of Subbuteo Books vouchers.
Last month's lucky winner was Sophie Louise Buckle from Manchester, who successfully completed the puzzle and correctly identified the mystery bird as: Eider
You have completed the puzzle, now rearrange the letters in the coloured squares to find the name of a mystery bird. To enter, send the name of the bird and your postal address to us by filling in this form or by emailing email@example.com.