3 books in series

Collier Spymasters

Collier Spymasters is a 3-book series first released in 1900 with contributions by Joseph Hone and John Hale.

The Sixth Directorate
PopularFirst

1975 • 346 pages

The Whistle Blower

1900 • 239 pages

Cover 3

The private sector

1971 • 370 pages