Snowy (character) he is able to understand human language, and communicates with speech bubbles. His verbal responses to various situations include jokes, expressions of fright, and pleas to Tintin to exercise caution. In the early albums he takes an interest in mechanics and geography; in "Tintin in the Congo", he makes biblical references. As a dog, he also sniffs, tracks, chases, and bites. The character of Snowy evolved through the course of the Tintin series. In early works he exchanges dialog with other characters, including animals, and provides a running commentary on the situation. His character then became affected by the introduction
Tintin in the Land of the Soviets high prices". To stem this illegal trade, Hergé agreed to a 1973 republication as part of the collection, where it appeared in a collected volume alongside "Tintin in the Congo" and "Tintin in America". With unofficial copies continuing to be sold, Casterman produced a facsimile edition of the original in 1981. Over the next decade, it was translated into nine languages, with an English-language edition translated by Leslie Lonsdale-Cooper and Michael Turner published by Sundancer in 1989. This edition was republished in 1999 for the 70th anniversary of "Tintin in the Land of the Soviets". Sociologist John Theobald noted that