Little House: The Martha Years is a 4-book series with 4 primary works first released in 1999 with contributions by Melissa Wiley.
#1 of 4 in Little House: The Martha Years
1999 • 6 Readers • 288 pages • 3
2006 • 2 Readers • 256 pages
#3 of 4 in Little House: The Martha Years
2001 • 2 Readers • 321 pages
#4 of 4 in Little House: The Martha Years
2003 • 2 Readers • 208 pages • 3