The Art of Christmas is a novella by Jane Lovering. The summary says: "What if the memories of Christmas past were getting in the way of Christmas future? It's been nearly two years since Harriet lost Jonno, but she's finally decided that it's time to celebrate Christmas again. Then she finds a stash of graphic novels belonging to her comic book-loving husband in the attic, and suddenly her world is turned upside down once more. With the help of eccentric comic book dealer Kell Foxton, she discovers that the comics collected by Jonno are not only extremely valuable, but also hold the key to his secret life - a life that throws Harriet's entire marriage and every memory she has of her husband into question. As Harriet grows closer to Kell, she begins to feel like she could learn to love Christmas again - but first, she needs to know the truth."