Mobile Suit Gundam: Char's Counterattack - Beltorchika's Children

Mobile Suit Gundam: Char's Counterattack - Beltorchika's Children (Kidou Senshi Gundam: Gyakushu no Char - Beltorchika's Children, 1988) - by Yoshiyuki Tomino. An original novel about the events later animated in the original movie