Harper: The K9 Files, Book 19

Jenner: The K9 Files, Book 16

Nikolai

SEALs of Honor: Swede: SEALs of Honor, Book 4

SEALs of Honor: Cooper: SEALs of Honor, Book 6

SEALs of Honor: Brett: SEALs of Honor, Book 11

SEALs of Honor: Mason: SEALs of Honor, Book 1

Baron

Kano's Keep: Bullard's Battle, Book 5

Jax: The Mavericks, Book 3

Killian: The Mavericks, Book 15

Bullard's Beauty: Bullard's Battle, Book 8

Fallon's Flaw: Bullard's Battle, Book 6

Jerricho: The Mavericks, Book 14

Brody's Beast: Terkel's Team, Book 7

Steven's Solace: Heroes For Hire, Book 30

Egan

SEALs of Honor: Mason's Wish: SEALs of Honor, Book 9

Terkel's Twist: Terkel's Team, Book 8

SEALs of Honor: Bronson: SEALs of Honor, Book 30