This is a great cheap stocking filler.
The Perfect Day is:
"Insider secrets to 100 cities around the world! From Marrakech to San Francisco our authors take you out in their favorite cities to talk about the great cafés, parks, restaurants, museums, inspiring views, revealing aspects of a city that you may never have known existed.
By weaving all this into a compelling story about a day in the city you get a sense that you have just given the greatest insight by a well versed local. With a colour photo for every city to complete the vision it will leave you inspired to explore these places and more."
according to The Lonely Planet, and you can get it from their website for £1.75 if you use the QUIDCO30 voucher (30% off everything). If you buy it through QUIDCO you'll also get another 20% off - taking you down to £1.40 for a great book. There's postage on top too (£2.75), but looks like a great deal to me!