These iconic Grosset & Dunlap “How and Why Wonder Books” are known for their colorful illustrations and engaging science topics—highly collectible and nostalgic. Machines (#5012). Building (#5051).
| Topic | Ecology, Environment |
| Binding | Softcover, Wraps |
| Place Of Publication | New York |
| Publisher | Grosset & Dunlap |
| Subject | Children's |
| Original/Facsimile | Original |
| Year Printed | 1972 |
| Unit Type | Unit |
| Language | English |
| Illustrator | Shelly Grossman |
| Special Attributes | Illustrated, Ex-Library |
| Author | Author |
| Region | North America |
| Country Of Origin | United States |
These iconic Grosset & Dunlap “How and Why Wonder Books” are known for their colorful illustrations and engaging science topics—highly collectible and nostalgic. Machines (#5012). Building (#5051).