New multi-volume series both fun and educational, in slim pocket sized hardcovers!Current day kids Annie and Nico travel back to—ancient China to witness the construction of one of the most impressive architectural feats: The Great Wall of China. A system of walls and borders built to bolster the Silk Road and keep out intruders. Discover all the ins and outs of this gargantuan structure (in fact: it's comprised of 16 walls) with Nico and Annie as your friendly time-traveling tour guides. Who knows, their fun fact finding journey might lead them to outer space where they can still see The Great Wall if they're lucky!