Notes

32 p. ; col. ill.
Table of contents: Structures around you -- It's natural! -- Build it! -- What's it for? -- Staying together -- Join it! -- Layer it! -- Tough tissues -- Twist and fold -- Fold it! -- Strong shapes -- Triangle power -- Get building! Summary: Explains the function of structures, the materials used, how they join together, and more. Includes activities for children and information for adults.