Houghton Mifflin Harcourt

1944 • 19 Readers • 80 pages • 4.2

1926 • 1 Reader • 222 pages

2003 • 2 Readers

1968 • 1,195 Readers • 210 pages • 3.9

2006 • 3 Readers • 275 pages

2 Readers • 5