- Animal Poemagery: Poems and Images of Animals in the Air, on Land, and in the Sea
- Animal Poemagery: Poems and Images of Animals in the Air, on Land, and in the Sea
- Carry the Light: Stories, Poems and Essays from the San Mateo County Fair (2012)
- Carry the Light: Stories, Poems and Essays from the San Mateo County Fair (2013)
- Carry the Light: Stories, Poems and Essays from the San Mateo County Fair (2015)
- Carry the Light: Winning Stories, Poems, and Essays from the San Mateo County Fair (2016)
- Collected Poetry of Thomas A. Ekkens—Early Works
- Flowers of Diagnosis
- Poemagery: Finding Inner Balance through Poems and Images
- The Garden Path to My Heart: Finding Inner Light through Poetry
- The Garden Path to My Heart: Finding Inner Peace through Haiku
- Voyages to Ancestral Islands