for the Disney studio during the World War II period. This re-release set a tradition of re-releasing Disney animated features every few years, and Snow White and the Seven Dwarfs was re-released to theaters in 1952, 1958, 1967, 1975, 1983, 1987 and 1993. Coinciding with the 50th-anniversary release in 1987, Disney released one of many authorized novelizations of the story, this one written by children's author Suzanne Weyn. In 1993, Snow White and the Seven Dwarfs became the first film to be entirely scanned to digital files, manipulated, and recorded back to film. The restoration project was carried out entirely at 4K resolution and 10-bit color depth using the Cineon system (10 bits each of red, green and blue—30 in total) to digitally remove dirt and scratches. Snow White and the Seven Dwarfs has had a lifetime gross of $418 million across its original release and several reissues. Adjusted for inflation, and incorporating subsequent releases, the film still registers one of the top-10 American film moneymakers of all time, and is the highest-grossing animated film. Critical reaction The film was a tremendous critical success, with many reviewers hailing it as a genuine work of art, recommended for both children and adults. Although film histories often state that the animation of the human characters was criticized, more recent scholarship found that contemporary reviewers praised the realistic style of the human animation, with several stating that audiences had forgotten that they are watching animated humans rather than real ones. Frank S. Nugent of The New York Times felt that "Mr. Disney and his technical crew have outdone themselves. The picture more than matches expectations. It is a classic, as importantly cinematically as The Birth of a Nation or the birth of Mickey Mouse. Nothing quite like it has been done before; and already we have gone impolite enough to clamor for an encore." Variety observed that "[so] perfect is the illusion, so tender the romance and fantasy, so emotional are certain portions when the acting of the characters strikes a depth comparable to the sincerity of human players, that the film approaches real greatness." Harrison's Reports wrote Snow White was "entertainment that should be enjoyed by every one. Intelligent adults will marvel at the mechanical ingenuity that went into the making of it; and it is something to marvel at, for at times the characters seem lifelike. That is brought about by