Name: Unsolved
ISBN: 9781538731642

About this book

Unsolved is the second and final book in the Invisible series, co-written by James Patterson and David Ellis and published in June 2019 at 448 pages. It follows Invisible, completing a series that ran from 2014 to 2019.

Key facts about Unsolved

David Ellis and James Patterson wrote Unsolved, a novel on our list. It has been out since 1 June 2019. The book has 448 pages.

We list 1 edition of this novel. Since each edition has its own ISBN, search for 9781538731642 to find the main one.

Unsolved is book 2 of 2 in the Invisible series. The series has 2 published books. However, the series starts with Invisible (2014). It is also the latest book in the series with a full release date.

Additionally, James Patterson writes Alex Cross, Women's Murder Club and Honeymoon, plus 12 more series. Those series sit on our thriller, science fiction thriller and legal thriller shelves. Meanwhile, Delusional is the latest published James Patterson book on file, from 17 August 2026.

About James Patterson

James Patterson is an American author widely regarded as one of the bestselling and most prolific novelists in publishing history, with hundreds of books credited to his name across thrillers, young-adult fiction and non-fiction. See every James Patterson book in order.

Its place in Invisible

Unsolved is book 2 in the Invisible series. It follows Invisible. See the full Invisible reading order.

Emmy Dockery is an FBI analyst obsessed with a theory nobody else believes: that a string of unrelated house fires across the country, each ruled accidental, are actually the work of a single, meticulous serial killer. Sidelined and largely ignored by her own bureau, she keeps building the case alone -- a premise James Patterson and attorney-novelist David Ellis use to drive a slow-burn conspiracy thriller about institutional dismissal as much as the killer himself. Invisible (2014) sets up Emmy's theory and her…

Editions

edition · unknown publisher · — · ISBN 9781538731642