Imagine, if you will, that you are an adventurer, challenged to cross a quagmire. There is only one solid path.
A single false step and you could be lost forever in a squelchy morass of letters. You are, of course, undeterred, because you are an expert navigator.
Your only guide are the word lists and clues provided. Make good use of them – they are all that stand between you and soggy feet!