To be in with a chance of winning a John Lewis voucher (to the maximum value of £100), send your completed entry to SEJ, 46 Moray Place, Edinburgh, EH3 6BH or sej@eis.org.uk.

The first all correct entry picked at random will win. Details of the winner, together with the solution to this month’s puzzle will be published in the next edition of the SEJ. Employees of the EIS and their families are not eligible to take part in this competition.