Blackberry Wine by Joanne Harris

Jay Mackintosh is uninspired. After penning his first and only successful novel, Jackapple Joe, he has faded into obscurity. His ambitious girlfriend tries mercilessly to goad him towards a new literary endeavor, but nothing seems to stir him.

Then, one spring day, he finds himself thinking back to his summers with Joe, the crusty, magical old man who was the inspiration for his novel. Joe lived in a ramshackle house near an unused railroad line, where he cultivated a lush and almost jungle-like garden. At the time, Jay was a lonely, bored kid, and Joe adopted him and kept him spellbound with stories of his adventures, and the lore of the charms he used to help grow his flowers, vines and trees.

This strong wave of nostalgia drives Jay into his cellar, where he dusts off six bottles of Specials -- Joe's potent homemade fruit wine. The wine, it seems, has a life of its own, and once Jay breaks the wax seal around the neck of one bottle, his life is changed. A sudden epiphany leads to a permanent change, and he impulsively decides to buy an old farm in France that reminds him of Joe's long ago home.

Moving to the small town of Lansquenet in the French countryside, he begins to cultivate his garden and rebuild the run-down farm. Slowly he is welcomed by his colorful neighbors, including the secretive, strong-willed Marise, who lives on the farm next to his. When the sun goes down each night, he retires to a candelit room where he feverishly spins the lives of the villagers into a new novel. As the novel progresses, Joe begins to appear to him, gently coaxing Jay to embrace a life that feeds his soul, and to challenge the very foundation upon which he has built his life.