Introducing...Kea's Flight by Erika Hammerschmidt and John C. Ricker

Introducing books through the first chapter or so...

I was five years old. I grew too fast, moved too much, used up every calorie on fidgeting and running around. Every day at lunch I sucked the tube empty of nutrient fluid, poked my tongue into its tip until nothing remained of its flavor, ate my whole energy bar in four bites and licked every molecule of taste from the wrapper that it came in.

-- Kea's Flight by Erika Hammerschmidt and John C. Ricker