October 6 25 Dates of Christmas by Kathryn Freeman (Avon, $24.00 paper; ISBN 9780063577732). 100,000 copies. Adult Children of Emotionally Abusive Families: Overcoming the Pain, Dysfunction, and Trauma of Growing up in a Toxic Family by Beverly Engel (St. Martin's Essentials, $28.00; ISBN 9781250461162). Agate Head / Stone Soup by Patricia Lockwood (Penguin Books, $25.00; ISBN 9780143139485). 50,000 copies. Back for Seconds byBetty Corrello (Cosmo Reads, $18.99 paper; ISBN 9781464291623).