In the garden behind a Victorian brick house, a sculpture of an inquisitive Alice, caught between two realms, extends two stony hands through the glass in front of her. The place she eternally guards—or at least the one we can see—is known as The Chestnuts. Here, the author of Alice’s Adventures in Wonderland and Through the Looking Glass, known by his pen name of Lewis Carroll, spent his final days. The late author was no stranger to multiple realities, himself. Carroll, whose real name was Charles Lutwidge Dodgson, wasn’t a writer…