The collection consists of the author's monologues and narrative poems, and a single dialogue between him and his young son. Contemporary America, Korea of old and new, and parts of world are the setting. His poems are a mixture of components that shows sweetness, beauty, sadness, easiness and honesty that no one can reject.

Experiences as a medical doctor, remarkable as they were for a poet, and diasporic life, the greatest conflict for a poet, make up the basic motif of his poems; Ma nonetheless takes in such intense experiences to distill into beautiful, warm, and fine lyricism, by means of lucid intellect and fine-tuned language. Invisible Land of Love is the fruit of his poetic world striking even a fresher note in the height of his Parnassian attainment.