A에서 Z까지 알파벳 순서에 따라 풀어가는 미스터리 시리즈. 호기심 많고 미스터리를 좋아하는 Dink, 동물을 관찰하기 좋아하는 Josh, Tiger란 고양이를 가지고 있는 꼬마여탐정 Ruth. 세명의 친구들과 함께 미스터리를 풀어보세요! A is for author.... Dink writes to his favorite author, mystery writer Wallis Wallace, and invites him to visit Green Lawn. To Dink's amazement, Wallace says he'll come! But when the big day arrives, Wallace is nowhere to be found. The police think he just missed his plane, but Di...