The "Just One Thing" workbook by Alison Thornton is a 30-day habit-building guide that focuses on introducing small, manageable lifestyle changes to improve overall well-being. The workbook is structured to help users incorporate one new habit daily, with a focus on mindset, nutrition, and movement.

Here’s an overview:

1. Starting Point Reflection: Users are encouraged to reflect on their current well-being and set clear goals for the next 30 days. This includes visualizing desired outcomes and identifying potential obstacles.

2. Daily Habit Selection: Each day, users pick one habit to practice from categories such as mindset (e.g., gratitude journaling, positive affirmations), nutrition (e.g., drinking water, eating more vegetables), and movement (e.g., taking walks, stretching).

3. Daily Journaling Pages: For each day, there are spaces for affirmations, gratitude lists, and tracking the selected habit, allowing users to maintain consistency and track progress.

4. Progress and Reflection: After 30 days, users are guided to review their progress, celebrate achievements, and take new progress photos, reinforcing the impact of incremental changes.

The workbook emphasizes consistency over perfection and encourages users to celebrate small victories. Additional resources include video guides, habit stickers, and social media links for community support.