Kidou Senshi Gundam: Gyakushuu no Char - Beltorchika's Children
Mobile Suit Gundam: Char's Counterattack: Beltorchika's Children is an alternative take on the events that also form the core story of Tomino's 1988 anime film, Mobile Suit Gundam: Char's Counterattack. (This novel actually debuted in print a month before the film.) In both, Amuro Ray and Char Aznable (the protagonist and antagonist from the first Mobile Suit Gundam anime) clash in their final confrontation.
However, the novel and the film have significant differences, such as Amuro and Char piloting Hi-Nu Gundam and Nightingale mobile suits instead of the movie's Nu Gundam and Sazabi.
(Source: ANN)