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Too Secret Service Books in Order

Part ofDeclan Finn Books in Order

Explore the Too Secret Service series by Declan Finn, with books in order, quick summaries, series background, and the best place to start.

Last updated: July 15, 2026

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Too Secret Service books in publication order

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3 books

1

Too Secret Service: 1

by Declan Finn

2019

Secret Service agent Wayne Williams and CIA assassin Catherine Miller are assigned to the same nuclear-terror threat. They have different methods, little trust, and only days to stop an attack on the President's international trip.

2

Too Secret Service: 2

by Declan Finn

2019

Williams and Miller continue chasing terrorists and missing nuclear weapons across an increasingly dangerous international operation. Their uneasy partnership is tested by assassins, official interference, and the possibility that the threat reaches inside their own side.

3

Too Secret Service: 3

by Declan Finn

2019

The hunt for ten nuclear bombs reaches its final stage as Wayne Williams and Catherine Miller race across the President's travel route. Terrorists, assassins, and betrayal leave the two agents little room for mistakes.

Too Secret Service books in chronological order

  1. Book cover for "Too Secret Service: 1"

    Too Secret Service: 1

    by Declan Finn

    2019Too Secret Service, Book 1
  2. Book cover for "Too Secret Service: 2"

    Too Secret Service: 2

    by Declan Finn

    2019Too Secret Service, Book 2
  3. Book cover for "Too Secret Service: 3"

    Too Secret Service: 3

    by Declan Finn

    2019Too Secret Service, Book 3

Series background & context

Too Secret Service is a three-part espionage thriller by Declan Finn, featuring Secret Service agent Wayne Williams and CIA operative Catherine Miller. Both are highly trained. Both are used to working alone. Neither is especially pleased to discover that the other is on the same mission.

Williams has been pushed into an out-of-the-way assignment after making powerful people uncomfortable. Miller is an assassin whose employers call when they want a target removed without leaving much behind. When the President faces a threat that crosses borders and involves missing nuclear weapons, both agents are pulled back into the center of events.

They are good at the job. Getting along is another matter.

The series follows their attempt to stop terrorists from attacking the President's international trip. The danger takes them from Ireland to Rome to Israel, where they face armed extremists, professional killers, bureaucratic interference, and the possibility that the people giving orders may not be entirely trustworthy.

The three installments work as parts of one larger story rather than separate cases. The tension comes from the countdown around the weapons, the travel-heavy pursuit, and the uneasy partnership between two people who have their own methods and their own secrets. Williams brings Secret Service discipline and a polished public-facing presence. Miller brings CIA tradecraft and a colder practical streak.

The tone is brisk and pulpy, with chases, assassinations, international intrigue, and sharp exchanges between the leads. It also connects loosely to Finn's wider fictional world through characters and ideas seen elsewhere, but newcomers can follow the core mission without prior reading.

Read Too Secret Service: 1, then Too Secret Service: 2, and finally Too Secret Service: 3. The three novellas tell one continuous operation, so beginning with the first installment gives the best sense of why Williams and Miller are forced to work together and what is at stake if they fail.

Edited by

Richard Reis

Software engineer whose passion for tracking book recommendations from podcasts inspired the creation of MRB.

Anurag Ramdasan

Lead investor at 3one4 Capital whose startup expertise and love for books helped shaped MRB and its growth.

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