Secrets: Visible & Invisible by Corinna Turner, Cynthia T. Toney, Theresa Linden, Susan Peek, T.M. Gaouette, Carolyn Astfalk, and Leslea Wahl, published on July 4, 2018, by Catholic Teen Books, has been awarded the Seal of Approval by the Catholic Writers Guild. Books are evaluated by the Guild for both their Catholicity and editorial integrity.

The purpose of the Seal of Approval is to help Catholic bookstores and venues by determining the Catholicity of a work. Members of the Catholic Writers Guild are faithful to the Magisterium of the Catholic Church.

The Catholic Writers Guild is an organization of Catholic writers, artists, editors, and illustrators. Its purpose is “to help build a vibrant Catholic literary culture by offering educational programs that encourage Catholic spiritual growth, teach Catholic writers about their craft as well as how to sell and market their work.”