Thornleigh is a 7-book series with 7 primary works first released in 1994 with contributions by Barbara Kyle.
1994 • 1 Reader • 560 pages
1995 • 2 Readers • 481 pages
2010 • 1 Reader • 392 pages
2011 • 2 Readers • 413 pages
2013 • 2 Readers • 400 pages
2014 • 1 Reader
2015 • 1 Reader