Forget January 1st. The real new year, the one where your rhythm actually changes, happens in September: new schedule, new organization, new energy. Wharton researchers Hengchen Dai, Katherine Milkman and Jason Riis showed in 2014 that landmark dates like a new school year boost motivation: they called it the fresh start effect. These temporal landmarks let you mentally turn the page and start over as a new version of yourself.
That makes fall 2026 the best moment of the year to build new habits. You still need to know where to start. We selected 10 books from our library, sorted not by genre but by back-to-school goal: rebuilding a routine, regaining focus after summer, getting organized, reconnecting with purpose, and lasting over time. For each book, two ideas actually taken from its content, plus the link to its full summary.
| # | Book | Back-to-school goal |
|---|---|---|
| 1 | Atomic Habits | Rebuild a routine |
| 2 | Miracle Morning | Rebuild a routine |
| 3 | Deep Work | Regain focus |
| 4 | Indistractable | Regain focus |
| 5 | Getting Things Done | Get organized |
| 6 | The Life-Changing Magic of Tidying Up | Get organized |
| 7 | Ikigai | Reconnect with purpose |
| 8 | Start With Why | Reconnect with purpose |
| 9 | The Compound Effect | Last over time |
| 10 | Grit | Last over time |
Rebuild a routine: Atomic Habits and Miracle Morning
Atomic Habits by James Clear is the ultimate back-to-school book. Its thesis: no need to aim for a radical transformation, improving by 1 percent a day makes you roughly 37 times better after one year. Clear adds a deeper idea: lasting change comes from identity, not goals. Every action is a vote for the person you want to become: reading one page is a vote for becoming a reader. Our summary is here https://www.cobaltapp.io/fr/resumes/atomic-habits.
Miracle Morning by Hal Elrod tackles the exact moment where a new season is won or lost: waking up. His SAVERS routine chains six short practices every morning: silence, affirmations, visualization, exercise, reading and scribing. Elrod is adamant about the snooze button: hitting it tells your brain that life can wait, and it is regular mornings that count, not one-off feats. The summary is here https://www.cobaltapp.io/fr/resumes/the-miracle-morning and our guide to building a realistic morning routine is here https://www.cobaltapp.io/fr/blog/routine-matinale-qui-change-la-vie.
Regain your focus after summer: Deep Work and Indistractable
Deep Work by Cal Newport separates deep work, done in total concentration, from shallow work: emails, meetings, notifications. After two scattered summer months, its most useful lesson is that focus does not come back through willpower: it has to be scheduled, ideally as a fixed block at the same time every day. Newport also reminds us that attention is trained outside of work: every time you pull out your phone in a queue, you teach your brain to demand distraction. Our summary is here https://www.cobaltapp.io/fr/resumes/deep-work.
Indistractable by Nir Eyal overturns the case against screens: every distraction starts with an internal discomfort, boredom, anxiety or fatigue, that we flee by seeking immediate relief. The opposite of distraction is not focus but traction: any action that moves you toward what you really want. His central tool, timeboxing, means planning your week from your values, because you cannot call something a distraction if you do not know what it distracts you from. The summary is here https://www.cobaltapp.io/fr/resumes/indistractable.
Get organized: Getting Things Done and The Life-Changing Magic of Tidying Up
Getting Things Done by David Allen starts from something everyone feels in September: your brain is made for having ideas, not for storing them. Every task kept in your head forms an open loop that consumes attention and generates stress. The method comes down to a few moves: capture everything in a trusted external system, define for each item the next physical, visible action, immediately handle anything that takes less than two minutes, and lock it all in with a weekly review. Our summary is here https://www.cobaltapp.io/fr/resumes/getting-things-done.
The Life-Changing Magic of Tidying Up by Marie Kondo applies the same logic to your space. Two counterintuitive rules: tidy by category and never by room, for example gathering all your clothes in one pile before sorting, and keep only what sparks joy, rather than choosing what to throw away. Kondo insists: tidying should be a single, radical event, not a small daily effort. Exactly the kind of project for a back-to-school weekend. The summary is here https://www.cobaltapp.io/fr/resumes/la-magie-du-rangement.
Reconnect with purpose: Ikigai and Start With Why
Ikigai by Hector Garcia and Francesc Miralles asks the question summer sometimes reawakens: what makes me want to get up in the morning? Their answer crosses four circles: what you love, what you are good at, what the world needs and what you can be paid for. The book also describes the habits of Okinawa's centenarians, such as hara hachi bu, which means stopping eating when your stomach is about 80 percent full. Our summary is here https://www.cobaltapp.io/fr/resumes/ikigai.
Start With Why by Simon Sinek brings the question of purpose to work. His golden circle distinguishes three levels: the what, the how and the why. Most companies, and most careers, communicate starting from the what. The ones that inspire start with the why, because people do not buy what you do, they buy why you do it. A new season is the perfect moment to rephrase yours before diving back into day-to-day work. The summary is here https://www.cobaltapp.io/fr/resumes/start-with-why.
Last beyond mid-October: The Compound Effect and Grit
The Compound Effect by Darren Hardy is the antidote to resolutions abandoned by late October. His formula: small smart choices + consistency + time = radical difference. His most striking image is the penny bet: a penny that doubles every day for 31 days ends up worth more than ten million dollars, while nobody sees its value in the first weeks. His most concrete tool is tracking: for three weeks, write down every action related to your goal in a simple notebook. Our summary is here https://www.cobaltapp.io/fr/resumes/l-effet-cumule.
Grit by Angela Duckworth closes the selection with two equations: talent x effort = skill, then skill x effort = achievement. Effort counts twice, which explains why, at the West Point military academy, perseverance predicts better than talent who will make it through initial training. Duckworth suggests organizing your goals as a pyramid: one life goal at the top, served by intermediate and daily goals, even if it means dropping the ones that no longer serve the top. The summary is here https://www.cobaltapp.io/fr/resumes/grit.
The September challenge: one summary a day
Ten books is ambitious to read in full, very realistic to approach through their ideas. Hence our back-to-school challenge: one book summary a day for the whole month of September. Each Cobalt summary takes about 8 minutes to read, less than a coffee break, enough to walk away with a book's key ideas. By September 30th, you will have gone through 30 books, spotted the ones worth reading in full and, above all, built the first habit of your new season: reading a little every day.
The 10 books in this selection, and all the others, are available as summaries on https://www.cobaltapp.io/fr/resumes. To take on the challenge on your commute, in a waiting room or right after waking up, the Cobalt app is here https://www.cobaltapp.io/download. Fall 2026 starts with one page.