Is it the Dreamlike quality? The Madness? The Englishness? The Class structure? The profound questions? The Drink or the mushrooms? Could it be the risk of losing one's head? Or the fact that no-one is particularly agreeable in Wonderland? Could it be the Dodo? Or the ability to change one's size and perspective? Could it be the Victorian influence? Surely it's the playing cards painting the roses red? More likely it's the fact that these things barely scratch the surface of the wealth of inspiration to be found in Lewis Carroll's classic.