COMPLETE CONJECTURE:::::
One reason they could decide to complete all 8th Ed books, yet make them invalid in 9th Ed is that some people, finding 9th too radical a change, could opt to maintain...
Type: Posts; User: Skip Filgo
COMPLETE CONJECTURE:::::
One reason they could decide to complete all 8th Ed books, yet make them invalid in 9th Ed is that some people, finding 9th too radical a change, could opt to maintain...