The Library of Birmingham has received 100,000 visitors since it opened last week.
The building, which cost £189 million to build, is the biggest library in Europe.
Bosses originally predicted that 10,000 people would visit each day.
More top news
Immigration, extremism, Europe and tax cuts: The key promises unveiled in the first Tory-only Queen's Speech in almost two decades.
A transgender beauty queen hopeful claims she was attacked outside a pizza shop by men who didn't realise her gender.