15 books in series
Tweed & Co.
Tweed & Co. is a 15-book series with 15 released primary works first released in 1966 with contributions by Colin Forbes, Zeno, and Thomas MacGrugar.
| #1 |  Double Jeopardy
| 4 | 2 reads | ||
| #2 |  Terminal
| 2.5 | 2 reads | ||
| #4 |  The Janus Man
| 0 | 0 reads | ||
| #5 |  Deadlock
| 2 | 1 read | ||
| #6 |  The Greek Key
| 0 | 0 reads | ||
| #7 |  Shockwave
| 3 | 1 read | ||
| #8 |  Whirlpool
| 3 | 1 read | ||
| #9 |  By Stealth
| 2 | 1 read | ||
| #10 |  Cross of Fire
| 3 | 1 read | ||
| #11 |  The Power
| 2 | 1 read | ||
| #13 |  The Cauldron
| 0 | 0 reads | ||
| #16 |  This United State
| 0 | 0 reads | ||
| #18 |  Rhinoceros
| 3 | 1 read | ||
| #21 |  No Mercy
| 2 | 1 read | ||
| #22 |  Blood Storm
| 0 | 1 read |