Please add page count for ISBN: 987-1-305-50307-6

[Debbie]

Hello, Can you please add the total page number for this book? There are 530 total pages numbered, if that helps.

[Z-squared]

i can't find any book on GR with that ISBN. moreover, the library of congress's isbn converter says that's an invalid ISBN13. can you give us more info, please? a link directly to the book you mean would be helpful.

[Debbie]

https://www.goodreads.com/book/show/2...

Sorry ISBN should be: 978-1-305-50307-6, I inverted some numbers! :)

[free]

confirmed with worldcat, added...

[Debbie]

Thanks!!