With over 700,000 copies sold, Collins Gem Calorie Counter is the UK's top-selling calorie counter. Perfect for those following...

Gem GI is a clear introduction to what a GI diet is and how it works. It explains the difference between the glycemic index of a...

The Collins Gem series is being relaunched in Spring 2004 and this new title features a new internal design and a strong new...

The ideal companion to the hugely successful Gem Calorie Counter, this is a handy portable guide to carbohydates in everyday...