12 books in series
Magic Tree House Fact Tracker
Magic Tree House Fact Tracker is a 11-book series with 12 primary works first released in 2001 with contributions by Will Osborne, Mary Pope Osborne, and Natalie Pope Boyce.
2008 • 1 Reader • 119 pages
2001 • 1 Reader • 119 pages
2001 • 1 Reader • 128 pages
2002 • 146 pages
2003 • 1 Reader • 4
2003 • 1 Reader • 125 pages
2003 • 1 Reader • 128 pages
2007 • 1 Reader • 128 pages • 3
2008 • 128 pages
2008 • 2 Readers • 128 pages • 5
2009 • 1 Reader • 128 pages
2010 • 1 Reader • 115 pages • 3