Avi Sion (Ph.D. Philosophy) is a researcher and writer in logic and philosophy, including original writings on the theory and practice of inductive and deductive logic, phenomenology, epistemology, aetiology, psychology, meditation, ethics, and much more.
He resides in Geneva, Switzerland.
You may contact him at: Bookshop@thelogician.net
Note that the books on offer here are scattered over several pages in no particular order.
The prices of many books have lately been drastically reduced (some by as much as 50%) to facilitate purchase by all parties.
Most books are offered in both Paperback and E-book editions. The larger books are also offered in Hardcover edition. Though a bit more expensive the latter are strongly recommended, being more sturdy.