Did you know there are 6 simple machines that make up every complicated gizmo out there? This book introduces the pulley, the lever, the screw, the wedge, the inclined plane and the wheel & axle.

Reading without the bah-humbugs: take a look at "A Christmas Carol" with story pages young readers can bring to life with color, and step-by-step analysis pages to get them thinking.

This workbook is a festive way to work on reading comprehension strategies.