Kilt is optional, but we can't see why you wouldn't want to don one after reading this unique yoga book. Viral Scottish yoga star Finlay Wilson is back with his second book (after Kilted Yoga), featuring four yoga sequences as well as an extra that's just for couples to try together. The photography is stunning, the yoga sequences are suitable for all levels, and the overall vibe is challenging and inspiring. Plus, kilts. "Yoga and kilts in a Perthshire forest has proved to be just what the world was waiting for." - BBC