The Manila International Book Fair (MIBF) is ongoing at the SMX Convention Center in MOA. It started yesterday with a lot of discounted books, educational materials and references. It's the perfect sale to buy Christmas gifts to kids from, since they're sure to love storybooks and fairy tale compilations.
You can even get a set of storybooks as unique gifts for a girlfriend, especially if you're able to get something she used to love reading when she was young (say, Little Golden Books). At least they'd be easy read and something she (or you both) can pass onto her future kids someday.
Subscriptions are sure to be discounted there too, so make sure you're armed with enough cash (though some do accept credit cards).