Upvote:1
The Promise of Amida Buddha: Honen's Path to Bliss
It is a collection of Honen's teachings and writings if you are interested in a Japanese Pure Land Buddhism and what later become Shin (True) Pure Land Buddhism via his disciple, Shinran.
Upvote:2
I'm not sure if you would like some academic literature but here goes:
Tβan-luanβs Theory of Two Kinds of Dharma-body as Found in Shinranβs Wago Writings has a detailed description and great diagrams on this topic.