'printing' and 'edition'

[Guest guest]

>In introductory pages of books we sometimes see references to for

>instance the second or third printing, or the second or a revised

>edition.

>

>Is there a difference between a 'printing' and an 'edition' of a

>book?

>

>If the first run of a book is reprinted without any changes,

>presumably that would be called the second 'printing.' If the rerun

>has just a few editorial and orthographic changes, is that considered

>a 'revised edition' or does it require to be considerably revamped to

>qualify as a new 'edition'?

 

Considerably revamped.