This edition adds more than 300,000 remedy occurrences and over 115 completely new remedies to the Synthesis 6.
This is the only copy we have at present as they are impossible to get out of Europe due to Covid.
Some highlights of the book are:
Integrating the major Repertory work of Bonnighausen and Boger (448.000 additional author references)
Full integration of separate repertories such as Boericke and Phatak.
Vastly increased new information (115 new remedies, including many recent provings and 473 remedies with more than 50 % new information)
Standardized and simplified repertory structure.