Does the book describe the meditation techniques taught by the Buddhist master Thich Nhat Hanh?

The provided source material does not refer to Thich Nhat Hanh or any specific Buddhist meditation techniques. The spiritual practices discussed in Chapter 19 center on different concepts. For instance, it highlights the power of undivided attention, referencing the Bhagavad Gita's promise that God provides for those who think of Him constantly. The chapter also shares a personal story about the practice of remembrance, where the author decides to perform continuous chanting of the name of Rama. This resolve is immediately encouraged when he hears a song about Rama, reinforcing the idea that nourishing good thoughts leads to great satisfaction and spiritual encouragement, as described in Chapter 19.