There are five books in the series:
The books are fiction.
They were published from June 1996 to 2004.
There are 6 main characters:JakeRachelTobiasCassieMarcoAx
The Resistance - Animorphs - has 141 pages.
The Hidden - Animorphs - has 121 pages.
The Mutation - Animorphs - has 142 pages.
The Discovery - Animorphs - has 153 pages.
The Revelation - Animorphs - has 136 pages.
The Test - Animorphs - has 135 pages.
The Sacrifice - Animorphs - has 151 pages.
The Separation - Animorphs - has 158 pages.
The Familiar - Animorphs - has 143 pages.