At New York library, for example, they've only ordered 560 copies of the fifth Potter book, compared to 956 of the Goblet of Fire.
Let down fans
"I wish this book had come out two years ago when we had more money," a member of staff said.
OOTP has a recommended selling price of £16.99 in the UK when it's released on 21 June, and an equivalent price in US dollars. Although it's already being sold cheaper by some websites which are taking pre-orders.