Amazon and Hachette disagree on ebook costs
28 August 2014 Last updated at 07:18 BST
The US online retailer Amazon and French publisher Hachette are arguing over the cost of ebooks to those buying the products for their tablets and machines.
Hachette wants the price to stay at around $15. but Amazon says it should be $9.99 (£6 in the UK), and some authors are caught in the dispute between the firms.
Adam Fleming reports.
First broadcast on BBC Radio 4's Today programme on Thursday 28 August.