According to Queeney.

Name: According to Queeney.
Price: 100 GBP
Availability: InStock

£100 · Offered by Maggs Bros Ltd

Inscribed by the author to the title page: “To Roger Katz with love from Beryl Bainbridge”. A fine copy.

Found via Rare Books Intel, a search across rare-book dealers, auction houses and marketplaces worldwide.