The fourth book in the popular 'Lessons of a LAC' series, Grey-glasses-itis helps children to understand the link between how they see things and how they feel. Loppy notices that he feels differently when he looks at the world around him through different-coloured glasses. When he's using green glasses, he feels relaxed. When he's using yellow glasses, he feels cheerful. But when he's using grey glasses, he just feels sad. As his...