The Fourth Enemy Other Books in This Series

Death Times Seven Death Times Seven
Death Times Seven
2026
Twenty-one Days Twenty-one Days
Twenty-one Days
2018
Triple Jeopardy Triple Jeopardy
Triple Jeopardy
2019
One Fatal Flaw One Fatal Flaw
One Fatal Flaw
2020
Death with a Double Edge Death with a Double Edge
Death with a Double Edge
2021
Three Debts Paid Three Debts Paid
Three Debts Paid
2022