Nibbles the book nibbling monster is at it again -- and this time, he's chewing his way through your favourite book of facts. It's time once again to chase that monster! With his tireless enthusiasm for the art of book munching, Nibbles will have readers following him from the sun to the moon, from pictures to words, and beyond. But watch out! There's another monster on the scene and this one may have a taste for book monsters! Is it possible that our dear nibbling critter may have bitten off more than he can chew?