Looking for a suitable low fat/general healthy eating cookbook

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Straight after Xmas, me and the hubby will be starting to attempt to shift some excess weight we seem to be carrying around.
So I'm looking for ideas on the best general healthy eating family cookbook, things that don't take too long to prepare and that two kiddies aged 4&6 can eat too!
TIA

The hairy bikers hairy dieters book is ace, really easy meals, child friendly,a nd yummy :)

Thank u : ) will have a look into it x