What is the book about the island when families live in a commune and have a diamond mine?

<h3>What is the book about the island when families live in a commune and have a diamond mine?</h3>

they have names like mr A. and Mrs. B etc. They cook for each other and the island and they fund their life with diamonds. I have been trying to figure it out forever!


<strong>Cook Islands best answer:</strong>
<p><i>Answer by Wildsox</i><br/>I really wanna say 21 balloons</p>

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