. . "Measuring." . . "Juvenile works" . "6 yrs+" . "Identifies and explains key science principals and concepts. Includes a quiz and index. Lively illustrations and photographs enhance appeal. 6 yrs+" . "Bright, colourful books introducing early readers to a wide range of subjects. Level 2: Begin to Read Alone. This level encourages children to make their own observations about the world around them. Designed by a team of literary specialists and teachers. Narrative text, plus key words. Information pages that introduce key words. A lively story that recalls vocabulary and a quiz." . . . . . "Explores the science of size, weights, and measurement using familiar objects and everyday situations; introduces key terms; and includes games, activities, and a final quiz." . . . "Measuring : how big is it?" . . "How big is it?" .