Jasper is best known as the author of
Twelve, a supernatural historical thriller set during Napoleon’s invasion of Russia in 1812. The website Fantasy Book Review has ranked
Twelve in sixth place in its list of all-time greatest historical fantasy novels. It has been translated into French, Polish, Italian and Turkish.
Twelve is the first novel in the Danilov Quintet, which spans Russian history from the French invasion of 1812 to the
Russian Revolution of 1917. The second instalment,
Thirteen Years Later, culminating in the
Decembrist Uprising of 1825, was released in the UK in 2010, the third,
The Third Section, in 2011 and the fourth, ''The People's Will
, in 2013. The last book of the series, The Last Rite'', was published in 2014. Additionally, Jasper has written two as yet unpublished novels,
Yours Etc.,
Mr Sunday, a murder mystery set in Brighton, and
Sifr, a contemporary thriller encompassing cryptography and the discoveries of
Roger Bacon. == Published works ==