Books like Animorphs - The Reaction
K. A. Applegate
Animorphs - The Reaction is 158 pages, about 2 hours 54 minutes at 250 words a minute.
12 books to read next
How long each takes
Metamorphosis 1.6 h 
The Crooked Banister 3.3 h 
When the Tripods Came 2.9 h 
Dread Mountain 2.4 h 
Egg Monsters from Mars 2.4 h 
The Unwanteds 10.0 h 
Sunwing 5.6 h 
The Horse and His Boy 3.9 h 
Gathering Blue 4.0 h 
Scarlet 9.2 h 
Never Fade 9.3 h 
Help! I'm Trapped In My Teacher's Body 2.4 h Bar height shows length. Estimated at 250 words a minute.