Roy Grace is a 22-book series with 22 primary works first released in 2005 with contributions by Peter James, Ian Rankin, Lee Child, Charlaine Harris, John Sandford, Kathy Reichs, Eric Van Lustbader, Nelson DeMille, Gayle Lynds, Lisa Jackson, Christopher Rice, J.A. Jance, Steve Berry, Lisa Scottoline, Michael Koryta, Diana Gabaldon, David Morrell, Karin Slaughter, Andrew Gross, Lara Adrian, Val McDermid, C.J. Box, and Sandra Brown.
2007 • 6 Readers • 610 pages
2008 • 5 Readers • 581 pages • 3.7
2009 • 4 Readers • 500 pages • 4
2010 • 6 Readers • 553 pages • 4
2011 • 6 Readers • 407 pages • 4
2012 • 6 Readers • 440 pages • 4
2013 • 8 Readers • 400 pages • 3.5
2014 • 3 Readers • 5
2015 • 2 Readers • 405 pages • 3
2016 • 8 Readers • 400 pages • 3.6
2017 • 5 Readers • 420 pages • 4
2017 • 13 Readers • 464 pages • 4.3
2019 • 5 Readers • 400 pages • 2
2020 • 3 Readers • 400 pages
2022 • 2 Readers • 435 pages
2023 • 2 Readers • 4
2024 • 3 Readers • 440 pages • 4
2024 • 1 Reader • 424 pages • 4