Ruminationsis now available as a paperback (400p. A5, $20 plus shipping expenses), and as an eBook ($2.50).
To order online click on the following hyperlink:

Books by Avi Sion in The Logician Bookstore

RUMINATIONS

Part I – Logic Notes

1. About the Laws of Thought

2. About Induction

3. About Words

4. About Formal Logic

5. About Paradoxes

6. About “Modern Logic”

7. About Cognitive Development

8. About Causal Logic

9. About Negation