privately printed book; private edition
Refers to a book or publication produced at the author's own expense or by a private press, not through a commercial publisher. Often used for limited-run or self-published works.
He published a collection of poems as a private edition.
この本は私家版なので、書店では買えません。
This book is a private edition, so you can't buy it at bookstores.
Compound of 私家 (private house/personal) and 版 (edition/printing). The term is straightforward and transparent.