Did you know certain yarns glow in reaction to ultraviolet light? You may already own some that do. Evin Bail O'Keeffe, author of Bake Knit Sew and award-winning craft blog EvinOK.com, has designed 12 knitting patterns to bring out the best in ultraviolet-reactive yarns. These were inspired by the night's sky, some from the view from Earth, such as star-gazing from a porch swing, while others pay homage to astronomy. Each works well with bold, speckled, and vibrant yarns as well as semi-solid and neutrals. These accessory designs are excellent for travel knitting.