Lynne Baab's Sabbath Keeping: Finding Freedom in the Rhythms of Rest (InterVarsity Press, 2005) is a beautiful meditation on the blessings of Sabbath. Baab takes the Old Testament principle of weekly rest and explains its continued relevance in our lives today.
The book is grounded in Baab's own experience of twenty-five years of creative Sabbath-keeping in a variety of settings; she recognizes the difficulties of maintaining a Sabbath in contemporary society, but demonstrates that, if anything, we need Sabbath more as a result. Peaceful yet profound, the book itself is a literary Sabbath, inviting us to deep spiritual growth through simply being in and with God, delighting in his abundant love. A powerful inspiration towards (non)action, and a call to train ourselves to stand still and experience our Creator.
The first chapter of Sabbath Keeping is available as a free download from IVP's website.