The Sisters Grimm is a 8-book series with 8 primary works first released in 2005 with contributions by Michael Buckley.
2005 • 61 Readers • 284 pages • 3.4
2005 • 19 Readers • 292 pages • 3.5
2006 • 10 Readers • 320 pages • 4
2007 • 18 Readers • 272 pages • 4
2008 • 8 Readers • 274 pages • 3
2009 • 2 Readers • 311 pages
2010 • 2 Readers • 266 pages
2011 • 1 Reader • 127 pages