Opening the Hand of Thought, Uchiyama.

The Kyosakua and Mokurai, Matsuoka, Soyu. Collections of talks. hard to find. Amazon.

Zen Mind, Beginner’s Mind, Suzuki, Shunryu. A classic.

Soto Zen, Global Soto Zen Net. Pamphlet. a good place to get an overall picture of Soto Zen.

Living by Vow, Okumura, Shohaku. Very clear translator and Soto teacher