Life of Fred Pre-Algebra 2 with Economics Zillions of Practice Problems $24 : This book is keyed directly to Life of Fred: Pre-Algebra 2 with Economics. Each of the chapters contains both exercises on the current topic and review questions from the beginning the book up to that point. All the problems have completely worked out solutions. This book contains the years Lucy spent in her attempt to create the largest railroad in the United States—the Lucy Railroad—a heart-warming story. ISBN: 978-1-937032-60-9, hardback, 208 pages, $24