本の[honno] mere
異本[ihon] different edition
一坪本社[hitotsubohonsha] small company headquarters located in Tokyo simply for name value
一本[ippon] one long cylindrical thing
一本気[ippongi] single-minded (esp. personality or person)

一本橋[ipponbashi] (a) log bridge
一本建て[ippondate] (a) single standard
一本松[ipponmatsu] solitary pine tree
一本杉[ipponsugi] (a) solitary cryptomeria tree
一本槍[ipponyari] guiding principle

詩篇[shihen] book containing a collection of poems
千篇[senpen] many volumes
続篇[zokuhen] continuation
単語篇[tangohen] glossary
短篇小説[tanpenshousetsu] short story

長篇[chouhen] long (e.g. novel, film)
佳篇[kahen] outstanding poem
千篇一律[senpenichiritsu] humdrum
前篇[zenpen] first part