This is a chapter book. From back of book: Garfield, Odie, Arlene, Nermal, and Pooky were once four ordinary pets and one ordinary teddy bear. But their lives changed forever when they were sucke dinto a parallel universe and transformed into five furry superpowered defender of justice ... Pet Force's archenemy, Vetvix, is plotting to conquer the universe using her new secret weapon--K-Niner. Bursting with huge muscles, ferocious fangs, and a nasty temper, K-Niner is a Dog of Doom! Will Pet Force be able to crush K-Niner and Vetvix's wicked crusade?