{"version":"1.0","type":"link","provider_name":"Hardcover","provider_url":"https://hardcover.app","cache_age":86400,"title":"Self Development: 4 Books - The 30 Day Challenge For Self Discipline, Self Confidence, Self Love \u0026 Self Improvement","url":"https://hardcover.app/books/self-development","author_name":"Perfect Self","author_url":"https://hardcover.app/authors/perfect-self"}