I have the Edinburgh guidebook from this series and was so impressed I got the London one too for our next visit at Easter. I wasn't disappointed. This colourful book is amazing, it's both about children's activities and written for children themselves.
For six different areas of London, beginning with Central and moving outwards, you are invited to do something, for instance, Stare a TRex in the Eye ... at the Natural History Museum. Each activity is given a double page spread which gives fascinating facts about the activity, top tips, jokes, other things to include in your visit, photo opportunities, and a 5 star sticker scoring section with gold stars included at the back of the book. In the bottom right of each page is address information including the closest tube station, opening dates and times, a coding system showing whether the place has a shop, cafe, is good for wet weather, and whether there are height restrictions and a pricing indicator from FREE through £(cheap as chips), and ££ (cheap as fish and chips) to £££ (not cheap at all). At the end of the book are a set of top fives (top five places to shop for toys and sweets, markets, run around etc) and a parent page.
Completely recommended, everything you need for a holiday that allows you to stay within your budget and whilst giving you full details of all the major attractions also includes the more obscure delights of the capital city.