He wanted to read more, but there were no more books. So every evening, he tried to find a way for blind people to be able to read books. One day, captain charles barbier, a french soldier, came to speak at the scool. Berbier had invented night-writing. This system used dots for the letters of the alphabet. Soldiers could feel the dots with their fingers and read with no light. Berbier thought night- writing could also help blind people.