Just as the world has started to take notice of Hou's older work, the artist has come out with The Caution in Mirror: 376 Days of an Artist's Mandala Diary. Hou has also been giving art classes that promote the therapeutic role of mandalas.
此時，在外界關注侯俊明舊作之際，他卻推出《鏡之戒：一個藝術家 376 天的曼陀羅日記》一書，還開班授課，推廣曼陀羅藝術治療。從狂亂的藝術家到新時代灰暗心靈的引領者，侯俊明角色變化之大，讓許多藝評人頻呼「無法適應」。