BRIGHT PEOPLE want to be able to estimate and calculate instantly, without fumbling for a calculator and a better light source. Fortunately for persistent learners, arithmetic drills becomes a Game to play with friends in competition. This small 1927 text volume provides drills and skills but also Social Studies into the world of the last century, the year 1927; and it may shock you to know how different things were then. . . . Sorry I had to break it into two volumes, due to software constraints: for Kids & Professionals.