From cryptic puzzles to cyphers, this book is the ultimate test of knowledge with 200 tricky brain twisters. Solutions to each puzzle link throughout Enigma so make sure to solve them all before reaching the final round. Don’t worry if you get a little lost; there are many generous hints to set you back off in the right direction. Try this on your own or in a team. Will you be able to take on and win this extreme challenge?
By Brian Clegg