Blank Cover. Written by Romano Scarpa, Bruno Sarda and Kirsten de Graaff & Mau Heymans. Art by Romano Scarpa, Andrea Maccarini and Mau Heymans. In 'Shellfish Motives,' Donald wants to be a crimebustin' ace reporter-but can he save Uncle Scrooge's top-secret scientist from the mob? 48 pages, full color. Cover price $3.99.