I'm trying to find the name of a book all I can remember is: -It's set in the future where ageing is stopped whenever the person desires, but it is irreversible. - People can no longer conceive, very few people exist who can. - Children are a commodity, kidnapped and sold. - The rich hire children for a few hours. - Some people stop children ageing whilst they're young to continue to hire them out. - It is set from the perspective of a boy. Who is often hired out to the rich. - He runs away in search of his parents.
"The Hunted" by Alex Shearer. "In a future world where people live to be 150, humans have paid the price for their longer lives