Riddle-Master is a 3-book series with 3 released primary works first released in 1976 with contributions by Patricia A. McKillip and Patricia A. McPhillip.
#1 of 3 in Riddle-Master
1976 • 131 Readers • 320 pages • 3.9
#2 of 3 in Riddle-Master
1977 • 36 Readers • 213 pages • 4.3
#3 of 3 in Riddle-Master
1979 • 33 Readers • 263 pages • 4.2