Theo van Os is both active as a poet and a novelist, although since his three novels have appeared he seems to write (or publish) less poetry. In his poetry he represents a very raw, shockingly honest voice in writing about homosexual love and sex practice. While his novels aren't mainstream, they are not as shocking as his poetry.

Penseeldier, een passie. Gedichten is a volume that has a wide range of poetry, some even very lyrical. There is a variety of topics and multiple sources of inspiration and reference. There are both longer and very short poems. ( )