"Seventy-seven thousand Service-Trees" is the third major poetry opus by spiritual Master Sri Chinmoy, written from 24 January 1998 until 2007.

The seven tomes cover the entire series of 50,000 poems:

Tome 1: Seventy-seven thousand Service-Trees, part 1-7
Tome 2: Seventy-seven thousand Service-Trees, part 8-14
Tome 3: Seventy-seven thousand Service-Trees, part 15-21
Tome 4: Seventy-seven thousand Service-Trees, part 22-28
Tome 5: Seventy-seven thousand Service-Trees, part 29-35
Tome 6: Seventy-seven thousand Service-Trees, part 36-42
Tome 7: Seventy-seven thousand Service-Trees, part 43-50

This is a high-quality, hardbound edition, printed on acid free and lignin free paper; it meets all ANSI standards for archival quality paper.