The 12th and final installment of the Single Heart Series - AJ, a rehab nurse, finds a true love and loses him on the same day. She goes to great lengths to find him again in the concluding novel of Vi Zetterwall's feel-good Single Heart Series. December ties up all the loose ends and solves the mystery of the Coin of Luck in Life and Love. If you have not already read all or some of the Single Heart series books, this one will be a spoiler and take away the suspense of the others. Reading the entire series in order will make 'December' a more satisfying read.