Part 1 -- The Cubhood of Wahb
Sections 4 and 5 -- Wahb starts getting his growth, getting bigger than some old enemies, and getting smart about some new dangers. But it's still dangerous out there in the wild. End of Part 1.
Part 3 -- The Waning
Chapters 1 through 4. Wahb reaches full maturity, with a vast range, gained by brute strength. Wahb is a gentleman at Yellowstone Park. Wahb is misled. And the story ends as stories end. Not with a bang.