What makes a child unusually fidgety and restless? Obsessive and a perfectionist? Quiet and solitary or downright disruptive? You might associate some of these traits with autistic spectrum and other disorders, but do you ever link such characteristics to a child with exceptional intelligence? Early signs of high ability in children are many and varied, but the ones listed above are common, and the more able the child, the more characteristics that can be displayed. Early years practitioners need...