Animorphs Chronicles is a 4-book series with 4 primary works first released in 1998 with contributions by Katherine Applegate.
#12.5 of 37 in Animorphs
1999 • 30 Readers • 340 pages • 4
#22.5 of 37 in Animorphs
1998 • 13 Readers • 206 pages • 4.2
#47.5 of 37 in Animorphs
2000 • 5 Readers • 200 pages • 3