This brilliant story is an absolutely enthralling blend of historical fiction, fantasy, and science fiction.
Drawn into the life of Vivianne Du Lac, history professor, the reader is almost immediately plunged into an intricate web of complications, challenges and unexpected developments that are woven together so that no strand of the story is independent of the others. The narrative is smooth and well-constructed, and Ibbotson’s writing is excellent.
The characters are very well crafted, especially given that each fits into more than one story strand. Viv is the most complex and detailed of them all, being the central character, but the others are all given depth through their interactions and responses as the story progresses.
More than simply being enjoyable, this is a thought-provoking and involving read in which the reader becomes completely engrossed. 
‘A Shape On The Air’ has been awarded a Gold Acorn.
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