Handy (106x153mm, apx 190pp) pocketable books. Each with a tearout city map.
Filled with pictures and brief concise descriptions. Emphasis on See Shop Eat Drink Play.
This is not the style of book that Lonely Planet made famous. 
Colorful pics and huge range of fun pointers will make the Encounter series popular with travelers moving fast and looking to quickly catch everything worthwhile. Online price list here.