Non-Fiction: Pinch pair take up pole position

This is exclusive content.

If you're an existing subscriber, please sign in below.

Not a subscriber? Get unrestricted access to all the news, charts, previews, data & analysis by subscribing for less than £3.50 per week.

Subscribe today to get:

• Every issue of The Bookseller magazine
• Unlimited access to thebookseller.com (single user)
• The Bookseller e-edition app for tablet and mobile
• Subscriber-only newsletters
• Twice yearly Buyer's Guides worth £30
  
• Discounts on The Bookseller awards and conferences