Who better than Blayney, Carl and GG to slove the case when someone - or something - steals all the diamonds in town?This book is part of a dynamic series for upper primary students following six different groups of kids. Each book follows the kids working together on a project. The Technos kids fight crime with technical knowledge. Six stories form the series are available as audio files on this website.Special series features: - vibrant illustrations and designs bring the stories to l