Calm is a 224-page book by Michael Acton Smith that encourages the reader to stop, recharge, and join the Calm revolution. The book uses creative prompts, activities, and motivations to help the reader discover the pleasure and richness of everyday life. It contains journal-like pages, designs to color in, word games, and puzzles for the reader to engage with. The book is meant to be inspirational, practical, and contain no rules - allowing the reader to pick it up whenever needed and choose how to use it.