If you're a super fan and want my suggested reading order based on how my books tie together, here it is:

PRIMAL INSTINCT
CRITICAL INSTINCT
SURVIVAL INSTINCT
CYCLONE (Zac & Anne)
EAGLE (Finn & Charlie)
SHAMROCK (Aiden & Violet)
ANGEL (Gabriel & Jordan)
GHOST (Dorian & Grace)
SHADOW (Heath & Lyn)
ECHO (Cade & Peyton)
PHOENIX (Boy Riley & Girl Riley)
BABY (Baby & Quinn)
CALCULATED RISK (Risk Series, Book 1)
SECURITY RISK
CONSTANT RISK
RISK EVERYTHING
STORM (Noah & Marilyn)
REDWOOD (Gavin & Lexi)
SCOUT (Wyatt & Nadine)
BLAZE (Kendrick & Neo)
Code Name: ARIES (Ian & Wavy)
Code Name: VIRGO (Sarge & Bronwyn)
Code Name: LIBRA (Landon & Bethany)
Code Name: PISCES (Tristan & Alyse)
Code Name: OUTLAW (Mark & Jenna)
Code Name: GEMINI (Andrew & Tasha)
HERO FOREVER (Ethan & Jess)
HERO UNBOUND (Theo & Eva)
HERO'S FLIGHT (Derek & Becky)
HERO'S PRIZE (Colton & Ella)
HERO'S HEART (Callum & Sloane)
HERO MINE (Bear & Joy)
A Very Linear Tactical Christmas (novella in Christmas with the Heroes: Volume 1)
HERO'S TOUCH (Lincoln & Mercury)
Code Name: LEO (Isaac & Fallon)
Code Name: SCORPIO (Ryder & Cassandra)
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OTHER FREE STANDING SERIES
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RESTING WARRIOR RANCH
Janie Crouch writing with Josie Jade
Montana Sanctuary (Connected to: Code Name: VIRGO)
Montana Danger
Montana Desire
Montana Mystery
Montana Storm
Montana Freedom
Montana Silence
Montana Rain
Montana Heat
Montana Memory
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NEVER TOO LATE FOR LOVE
Janie Crouch writing with Regan Black
Collection 1 - HEARTBREAK KEY
Collection 2 - ELLINGTON COVE
Collection 3 - WYOMING COWBOYS
Collection 4 - HOLIDAY HEROES (Connects to: Princes of Fairytale, CO series)
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GILDED EMPIRE
Janie Crouch writing as MJ Crouch
The Gilded Empire series is a completed mafia reverse harem story.
Broken Crown
Damaged Kingdom
Fierce Monarch
Vicious Throne
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HARLEQUIN INTRIGUE SERIES
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OMEGA SECTOR
Although Omega Sector is mentioned in the Zodiac Tactical books, there is no character overlap with the original Omega Sector series.
Stealth
Covert
Conceal
Secret
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OMEGA SECTOR: CRITICAL RESPONSE and OMEGA SECTOR: UNDER SIEGE
These 12 books actually make up one long series, even though they're broken into two mini series of 6 books each. They do not overlap with any other series.
Savior (previously Special Forces Savior)
Protect (previously Fully Committed)
Rescue (previously Armored Attraction)
Pursuit (previously Man of Action)
Revenge (previously Overwhelming Force)
Stalked (previously Battle Tested)
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Defender (previously Daddy Defender)
Bodyguard (previously Protector's Instinct)
Target (previously Cease Fire)
Hacker (previously Major Crimes)
Traitor (previously Armed Response)
Deceit (previously In the Lawman's Protection)
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SAN ANTONIO SECURITY
The San Antonio Security books do not have any overlap with any other series.
Critical Strike (previously Texas Bodyguard: Luke)
Edge of Danger (previously Texas Bodyguard: Brax)
Two Steps Ahead (previously Texas Bodyguard: Weston)
Last Resort (previously Texas Bodyguard: Chance)
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WARRIOR PEAK SANCTUARY
The Warrior Peak Sanctuary books do not have any overlap with any other series.
Protective Assignment
Protective Lawman
Protective Refuge
Protective Warrior
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