Detective Conan Color Illustration Collection

Quick answer：

Detective Conan, also known as Conan Edogawa, is a popular Japanese manga series created by Gosho Aoyama. The series revolves around a young high school detective, Shinichi Kudo, who was transformed into a child after being poisoned by a blackmailer. The 'Color Illustration Collection' likely refers to a collection of full-color illustrations from the series, showcasing the characters and scenes in a vibrant and detailed manner. These collections are often published for fans of the series to enjoy the artwork outside of the regular manga or anime.