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>
<p><strong>The Cook Islands</strong>
<img alt="Cook Islands" src="http://farm4.staticflickr.com/3573/3662392352_eb58aef68c.jpg" width="400"/><br/>
<i>Image by <a href="http://www.flickr.com/photos/14837459@N00/3662392352">JSA_NZ</a></i>
At the beach</p>

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