Your Happiness Calendar for October 2024. This month, calm your busy mind. By Kira M. Newman | September 30, 2024 Print; Bookmark. Our monthly Happiness Calendar is a day-by-day guide to well-being.

October 29 Throne of Secrets by Kerri Maniscalco (Little, Brown, $29.00; ISBN 9780316557542). 375,000 copies. The Blue Hour by Paula Hawkins (Mariner, $30.00; ISBN 9780063396524). 250,000 copies.

The National Day Calendar, which keeps track of national days, weeks and other celebratory dates, has now moved National Taco Day from Oct. 4 to the first Tuesday in October.