Context:

The hosts read a passage from Zweig's memoir describing the afternoon of June 28, 1914, when news of the assassination reached him in a park in Baden. They describe it as 'his wonderful book, which gives a portrait of the world that was destroyed, the pre-1914 world.'

Context:

Referenced when describing the Mayor of Sarajevo's nervous state before delivering his welcome speech to Franz Ferdinand: 'He's described by Christopher Clarke in the Sleepwalkers as in a state of high agitation and perspiring heavily.'

Context:

Explicitly cited as a book when discussing the deaths of Franz Ferdinand and Sophie: 'Frederick Morton in his book, Thunder at Twilight says, Franz Ferdinand and Sophie died as they had lived in unison.'