Book 1

Invisible

by James Patterson

Published 1 January 2014
Everyone thinks Emma Dockery is crazy. Obsessed with finding the link between hundreds of unsolved cases, Emma has taken leave from her job as an FBI researcher. Now all she has are the newspaper clippings that wallpaper her bedroom, and her nightly recurring nightmares of an all-consuming fire.

Not even Emma's ex-boyfriend, field agent Harrison 'Books' Bookman, will believe her that hundreds of kidnappings, rapes, and murders are all connected. That is, until Emma finds a piece of evidence he can't afford to ignore. More murders are reported by the day – and they're all inexplicable. No motives, no murder weapons, no suspects. Could one person really be responsible for these unthinkable crimes?

Book 2

Unsolved

by James Patterson and David Ellis

Published 3 June 2019

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The chilling sequel to No. 1 bestseller Invisible

FBI analyst Emmy Dockery's unique ability to uncover the patterns that others miss has brought her an impressive string of arrests. But a new case - unfolding across the country - has left her looking for something which may not exist.

The victims all appear to have died by accident, and seemingly have nothing in common. But this many deaths can't be a coincidence. Can they?

Emmy's instincts tell her this is the work of a terrifyingly intelligent serial killer - and she's determined to prove it. When her obsession with the crimes raises flags within the FBI, she's in danger of becoming a suspect herself.

But someone else is watching Dockery. Studying, learning, waiting.

Until it's the perfect time to strike.