My teachers new book – the Complete Tai Chi Tutor – is just out.
It is one of the most comprehensive works on the art out there. you will find an impressive amount of well researched and self-experienced material here. The main focus is on “the Lost Tai Chi”, taking things beyond the mainstream opinions digging just a bit deeper into things historical and practical.
No matter what style you practice i recommend this fine piece of work. You can find it at any bookshop online or irl.