Author: H.L. Dennis
Reading Age: 10-12

Brodie, Hunter and Tusia are at Station X, the secret code-cracking station at Bletchley Park. They are still wrestling with the great unanswered question: what secret lies behind the ancient, coded Voynich Manuscript? 

At once they are off on a new search, which takes them to the stories behind Elgar's famous music and a coded letter he wrote to a young friend, Dorabella. The 'Dorabella Cipher' has never, ever been solved. The team of code-breakers are on a twisting trail via medieval book burnings in Florence, a mysterious boy known as the Orphan of the Flames, and a one-time famous prisoner in London's Newgate Prison, who wrote about King Arthur. Where is it all leading? And will they survive…

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