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Sgt. Dunn #3

Brutal Enemy

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The third book in the popular Sgt. Dunn World War II action thriller series picks up right where book two, Behind German Lines, left off.

Colonel Frank Rogers, an American intelligence officer on the planning staff for the impending invasion of southern France, goes missing in northwest Italy. Sgt. Tom Dunn, recalled from his honeymoon, and his squad of lethal U. S. Army Rangers are tasked with the impossible: find and rescue the missing colonel before he is captured and gives up vital invasion intelligence.

Meanwhile, British Sergeant Malcolm Saunders and his Commandos parachute into Italy north of the impenetrable Gothic Line in an attempt to deliver a crushing blow to the German supply line.

While Dunn and his men race across Italy in search of Rogers, the rescue operation takes an unexpected direction. Suddenly, Dunn comes face-to-face with the brutal evil permeating the Nazis from Berlin to the occupied countries.

In Brutal Enemy, Munsterman takes the reader on a terrifying journey into Nazi occupied Italy with his trademark page-turner pace.

332 pages, Kindle Edition

First published December 27, 2014

129 people are currently reading
19 people want to read

About the author

Ronn Munsterman

24 books20 followers
Ronn writes World War II action thrillers.

Ronn Munsterman is the author of the Sgt. Dunn Novels series. His lifelong fascination with World War II history led to the writing of the Sgt. Dunn Novels.

He loves baseball, and as a native of Kansas City, Missouri, has rooted for the Royals since their beginning in 1969. He and his family jumped for joy when the 2015 Royals won the World Series. Other interests include reading, some more or less selective television watching, movies, listening to music, and playing and coaching chess.

Munsterman is a volunteer chess coach each school year for elementary- through high school-aged students, and also provides private lessons. He authored a book on teaching chess: Chess Handbook for Parents and Coaches, available on Amazon.com.

Munsterman retired from his “day job” in December 2015. In the latter half of his career he worked as an Information Technology professional with everything from Microsoft Access to PowerBuilder to web development and finally, with SAP. His new “day job” fulfills his dream: to be a full-time writer.

He lives in Iowa with his wife, and enjoys spending time with the family.

Munsterman is currently busy at work on the next Sgt. Dunn novel.

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5 stars
302 (59%)
4 stars
157 (31%)
3 stars
32 (6%)
2 stars
10 (1%)
1 star
3 (<1%)
Displaying 1 - 13 of 13 reviews
805 reviews8 followers
March 30, 2024
Wonderful book

These are all wonderful but they just keep getting better and better. I always love a spy novel but the tech and planning is really grabbing me as well. In book 2 I noticed the town they were in was LaHaya I think but in book 3 it said LaHarve which is where my W W 2 veteran day boat came in. I will email Ronn with a little more info. I highly recommend these books.
127 reviews2 followers
February 13, 2021
Sgt Dunn episode in Italy

Observation plane showdown in enemy territory with officer who knows invasion plan for southern France. Dunn sent in to rescue him before Germans find him. With the help of the local resistance he is able to accomplish his assignment but at a cost of some of his team. Highly recommended.
70 reviews3 followers
February 15, 2022
the saga continues

I like the series, especially being a history buff myself. These books have dialogue that sometimes sounds a little stilted and forced, but they’re fun and engaging.
Profile Image for Chaplain Stanley Chapin.
1,978 reviews22 followers
March 1, 2023
A truly different storyline

It was unique in that it told a story, that had several different levels in it. There was World War Two action, romance, mystery, and human companionship
Profile Image for Jim.
282 reviews2 followers
March 13, 2019
Brutal Enemy

Absolutely the BEST Sgt Dunn story yet. I found it difficult to stop reading. The epilogue was a surprise and very touching. A great ending.
312 reviews2 followers
April 21, 2022
Gestapo thwarted.

Evil unimaginable. Rangers make a lot of bad guys dead guys. Families established and old friends revisited. Some mourning. Some celebration.
21 reviews
July 15, 2025
Excellent reading

Loved reading this book. I wasn't sure I would like this series but can't put it down. Do your self a favor and read this series.
192 reviews1 follower
June 11, 2016
GREAT JOB!

As an amateur student of the history of WW II, I REALLY enjoyed Mr. Munstermann's Sgt. Dunn story. His depiction of the Nazi Gestapo officer was chilling, however I believe that was the author's intention. Having lived in Italy for 12 years after graduating from Veterinary School there, I would, if possible give Mr. Mustermann a quick lesson regarding Italian surnames.
Using Florence as the dividing point between northern and southern Italy, Genoa is decidedly in the northern part of the country. Almost ALL surnames of Italians living in the north end in an "I", with the exception of the region called Alto Adige which is in the area of Trentino, whose people's surnames also can end in "in".
People from the southern part of Italy, meaning at or below the level of Florence, almost ALWAYS have surnames ending in an "A", an "O" or an "E". These are the people who immigrated to the U.S. and whose sons fought for us during WW II. This is because the north is where Italian industry lies, and the people living there had a much higher standard of living, therefore they would have NO impetus to immigrate from Italy to the U.S., and it would be difficult if not impossible to find a "Martelli" having parents who immigrated to the U.S.
In addition to this, the immigrants from Italy to the United States were almost Exclusively from the southern part of Italy.Therefore, Mr. Mastermind, Dunn's squad members of Italian descent would NEVER have a surname ending in an "I", such as Martelli.
Profile Image for Anil Swarup.
Author 3 books721 followers
May 9, 2016
Another fast paced second World War fiction from Munsterman. Richard Dunn is at his usual best out-smarting the Germans. The book is an interesting read but one wonders whether the Germans were as inefficient and on occasions as stupid as they are made out to be in such novels. The ease with which Richard Dunn is able to take Colonel Rogers out of the captivity is indeed quite surprising. However, the most touching part of the book is the last chapter when Rogers visits Italy eleven years after his captivity and meets Marie, the young girl who had saved him from certain death.
12 reviews1 follower
June 17, 2015
Very good read.

If you love ww2 novels as I do, you will love this book. I got a little lost in the physical layout of the battle in the village, but that might be my feeble mind. The story provoked several emotions in me that included anger, sorrow, and love.
5 reviews
January 27, 2015
Great book

Keeps your attention right through the entire book right up to the very end great reading and great writing throughout.
6 reviews
May 24, 2015
Great read.

I have read the three ssgt. Dunn and truly enjoy them. Highly recommend these action packed, pay turners stories. Hurrah
18 reviews
March 13, 2016
War story

Itwas to confusing . I have read better books. I really didn't, enjoy it .ai much as other books I have.read .s
Displaying 1 - 13 of 13 reviews

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