On 4th July 1862, which he later remembered as a golden afternoon, the Reverend Charles Lutwidge Dodgson, a young mathematics tutor at Christ Church, Oxford, entertained three little girls on a river trip with a fairy tale, which was to become one of the most famous children's stories of all time. Two years later, Alice, the heroine of the tale, received a handwritten volume, with Dodgson's own pen and ink drawings, entitled Alice's Adventures Under...