This is arguably his most famous book. Originally a series of lectures delivered in Najaf, Iraq, between January and February 1970, this text outlines the political theory that would become the constitution of Iran.
Several of his most influential titles can be found in digital format through academic and state-sanctioned repositories: ayatollah khomeini books pdf
A dense mystical text focusing on the inner, esoteric dimensions of the daily Islamic prayer (salat). This book is for advanced students of Islamic esotericism. This is arguably his most famous book
For older translations or public domain works (specifically those published before the 1980s in the US without copyright renewal), the Internet Archive is a goldmine. Search for "Khomeini" and filter by "Texts." Always check the publication date to avoid pirated scans. This book is for advanced students of Islamic esotericism
Before you search, know exactly which books carry his most influential ideas. These are the three most requested digital texts:
Khomeini wrote poetry in both Persian and Arabic, often with mystical themes.