Bark! The Herald Angels Sing

Magical portraits of a photographer’s dog, in elaborate Christmas compositions

Bark! The Herald Angels Sing will bring a smile to even the most devoted Scrooge. Decked out in the finest of holiday garb, strutting against backgrounds that evoke locales as varied as Charles Dickens’ London and the ice floes of Antarctica, an adorable dog strikes a pose. Another Christmas card in the bag. But the scenes weren't always so ornate. Photographer Peter Thorpe's first dog holiday shoot went more like this: dog, pair of antlers, red Rudolph nose, done. That card went out to family and friends—and the rest, as they say, is history. From Rudolph in 1990 to Santa in 2015, Paddy and Raggles, donned in festive costumes, adorned cards every…