Middle-earth Universe is a 5-book series with 5 released primary works first released in 1937 with contributions by J.R.R. Tolkien.
#1 of 3 in The Lord of the Rings
1954 • 3,879 Readers • 398 pages • 4.4
#0-3 of 3 in The Lord of the Rings
1937 • 274 Readers • 1,178 pages • 4.5
#3 of 3 in The Lord of the Rings
1955 • 407 pages
#1 of 3 in The Lord of the Rings
1954 • 1 Reader • 532 pages