Liam O'Connor should have died at sea in 1912. Maddy Carter should have died on a plane in 2010. Sal Vikram should have died in a fire in 2029. Yet moments before death, someone mysteriously appeared and said, 'Take my hand ...' But all three have been given a second chance - to work for an agency that no-one knows exists.

Binding: Paperback;448 pages; Publisher: Penguin Random House Children's UK; Classification: Children?s / Teenage fiction and true stories; Weight: 374 g; Dimensions: 197 x 127 x 27

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