Catwings is a 4-book series with 4 primary works first released in 1988 with contributions by Ursula K. Le Guin and S.D. Schindler.
1988 • 20 Readers • 40 pages • 4.6
1989 • 10 Readers • 64 pages • 4.8
1994 • 8 Readers • 48 pages • 3.5
1999 • 8 Readers • 42 pages • 4.3