Invincible Xiangqi Manual 02 Chu Volume
There were five boards for the Zi Volume.
列手炮 (liè shǒu pào) = Opposite Direction Cannons: Major Variation.
named The Xiangqi Master of the Caves. The Webmaster has had the honour of helping him out in that endeavour. Wong's book can be found on Amazon.
DISCLAIMER: This webpage contains products with affiliate links, which means that if you click on one of the product links, xqinenglish.com will receive a small commission. You will not incur any extra cost when buying from an affiliate link.