The Doctor and Martha go in search of a real live dodo, and are transported by the TARDIS to the mysterious Museum of the Last Ones. There, in the Earth section, they discover every extinct creature up to the present day, all still alive and in suspended animation.

Preservation is the museum's only job - collection the last of every endangered species from all over the universe. But exhibits are going missing...

Can the Doctor solve the mystery before the museum's curator adds the last of the Time Lords to her collection?

The Doctor and Martha race against time to stop their own extinction - the latest in the bestselling series of Doctor Who novels.