(I'm not sure this question fits here but this site seems the most appropriate within stackexchange network...)
I'm trying to buy a some book from NHBS (a field guide). The problem is that the same field guide is often printed in 2 versions:
- smaller one for usage in the field,
- bigger one for comfortable reading at home.
The question is: will both versions of the book have different ISBN, or it might happen that they have the same ISBN? Note that the dimension is often the only difference between the two versions, the publisher, year etc. will be the same. Does ISBN uniquely identify a book dimension?
(Background: I must order the book from NHBS (my company rules), but NHBS doesn't publish dimensions of the book. So I look up the book dimensions on Amazon and then look at the ISBN, if it's the same. But then I must know that ISBN will surely differ for both formats!)