Sandi Toksvig arrived on the South Bank by speedboat on Tuesday to open the new Foyles bookshop at the Royal Festival Hall.
Christopher Foyle, Sandi Toksvig and Bill Samuel
South Bank Centre chief executive Michael Lynch added: "Having the world's most famous bookshop on the riverfront of the Royal Festival Hall is fantastic for the South Bank Centre, for Foyles and the book-buying public who visit the South Bank."
Foyles is part of a new riverside parade of shops and restaurants which will include EAT, Giraffe, MDC, Strada and Wagamama.
For the latest local news and events direct to your inbox every Monday, you need our weekly email newsletter SE1 Direct.