Into the wild is the first of a lot of heroic tales of Rusty the flame colored kittypet. He wanders into the woods despite his friend Smudge's warning of wild cats that eat cats like him. There he meets Graypaw, who is a warrior apprentice. intrigued, the next day he returns to meet Bluestar ,the leader, and that is where his life goes to the woods. He meets the cats Ravenpaw, Tigerclaw, and Spottedleaf. He gets called a kittypet by Sandpaw and Dustpaw.
Warriors is my favorite series in the universe, and Into the Wild is the first book. I got my brother,age 7 ,to pick this up. you must read these in order. The series is by Erin Hunter.