Books by Diana Wynne Jones

When Vivian is evacuated from London in 1939, she expects to be staying in the countryside. Instead, she is whisked away to Time City - a place that exists outside time and space.It is a strange and remarkable place, where technology rules - yet important events of both past and future are marked by the appearance of mysterious Time Ghosts.Here, a Time Patrol works to preserve historical events - but unknown rogue time-travellers are plotting to take control and are stealing the wards that protect the city. If they succeed, Time City and History as we know it will both be destroyed.Jonathan and Sam are convinced that Vivian can help to save their home - for, astonishingly, she appears as a Time Ghost herself in a forgotten part of the city. But how can she possibly know what to do, when the important event hasn't even happened yet?!

In the mind of a lonely, imaginative girl, who can tell where fiction ends and reality begins? An epic fantasy, spanning nine years...The fire and hemlock photograph above Polly's bed sparks memories in her that don't seem to exist any more. Halloween; nine years ago; she gatecrashed a funeral party at the big house and met Thomas Lynn for the first time.Despite the fact that he's an adult, they struck up an immediate friendship, and began making up stories together - stories in which Tom is a great hero, and Polly is his assistant. The trouble is, these scary adventures have a nasty habit of coming true...But what has happened in the years between?Why has Tom been erased from Polly's mind, and from the rest of the world as well? Gradually Polly uncovers the awful truth and, at Halloween nine years on, realises that Tom's soul is forfeit to demonic powers unless she can save him.