The young Frenchman sought every opportunity to learn, and by the time he was a teenager, began experimenting with a new form of writing.  Today, his system of raised dots is used by people with visual difficulties across the world. Backmatter includes a timeline and author's note, as well as a page of letters and numerals in braille printing. For almost thirty years, David Adler’s Picture Book Biography series has profiled famous people who changed the world. Colorful, kid-friendly illustrations combine with Adler’s “expert mixtures of facts and personality” ( ) to introduce young readers to history through compelling biographies of presidents, heroes, inventors, explorers, and adventurers. These books are ideal for first and second graders interested in history, or who need reliable sources for school book reports.