If you meant a different work by or about Viktor Korchnoi, these are also commonly available:

: You can borrow the digital version for 1 hour (renewable) or 14 days at the Internet Archive .

: This digital library offers a PDF version for online reading with a subscription at Perlego .

Are you focusing on a Korchnoi played, or just looking for his best overall games ? Korchnoi: Move by Move [1 ed.] 1781941394, 9781781941393