Margaret Davidson - twórczość
Louis Braille the Boy Who Invented Books for the Blind
In a poignant biography, a young man is determined to reap the benefits of literature and his development of a system of reading for the blind is chronicled....czytaj dalej
Story of Thomas Alva Edison Inventor
An accessible biography that explains the basic scientific principles behind Edison's discoveries as well as his joys, tragedies, and amazing successes....czytaj dalej