The Mild Concussion and Traumatic Brain Injury Workbook 2.0 now comes in LARGE font for a clear and simple reading experience. This book also features larger pages, 8x10, in comparison to the 6x8 travel-sized format of the first book. The maze passageways have also grown in size which makes for easier navigation with your pen. The principal upgrade includes the ability to record your completion time of each maze so you can track your progress...