Books
2 results found| Title | Authors | Description | OpenBook ID | |
|---|---|---|---|---|
|
Venn perplexors | Evelyn B. Christensen | Presenting a fast, fun way to help kids build logical thinking and expand their vocabulary. | OL27312086W |
|
Venn diagrams | Robert Froman | An introduction to Venn diagrams in their simplest form--circles which sort things into categories. | OL6605654W |