All four of Charles Piper’s books are available for purchase on, the publishers and other booksellers.

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Contract and Procurement Fraud Investigation Guidebook (Routledge, 2017)

Contract and procurement fraud, collusion, and corruption are worldwide problems. Such wrongdoing causes federal, state, and local governments, as well as private-sector corporations and businesses, to lose funds and profits, while the wrongdoers unjustly benefit. Bid riggers conspire to eliminate fair and open competition and unjustly increase prices, allowing some to monopolize industries. Too often, contracting officials and others responsible for placing orders or awarding contracts compromise their integrity and eliminate fair and open competition to favor vendors offering bribes or gifts. This results in unfair playing fields for vendors and causes financial losses for businesses, government agencies, and taxpayers.

Charles Piper’s Contract and Procurement Fraud and Corruption Investigation Guidebook educates readers on fraud and corruption schemes that occur before, during, and after contracts are awarded. This book teaches not only how to identify such wrongdoing, but also how to investigate it and prevent re-occurrence. Piper shares the Piper Method of Conducting Thorough and Complete Investigations, his innovative and proven method of investigating contract and procurement fraud, and demonstrates its principles with personal, on-the-job examples (which he calls "War Stories") woven throughout the text. Intended for criminal justice students, as well as investigators, auditors, examiners, business owners, policy-makers, and other professionals potentially affected by fraud, this book is a must-read guide to effective procurement and contract fraud investigations from inception to testimony.


Charles Piper is a seasoned fraud examiner. In this book, he breaks down the common schemes, how to spot them, and how to conduct effective investigations. Piper’s Contract and Procurement Fraud Investigation Guidebook is a vital resource for fraud investigators as well as businesses and government organizations that want to ensure the integrity of their acquisition systems.

―James D. Ratley, CFE, CEO & President, Association of Certified Fraud Examiners

In today’s world of billion-dollar international government and private-sector procurements, there is a dire need for Charles Piper’s Contract and Procurement Fraud Investigation Guidebook. The author exposes the many different types of fraud schemes and wrongful actors that can beset contracting and procurements. He also provides a step-by-step list of protocols to be followed while investigating, which provides readers with a distinct advantage…It should be used for core courses and be required reading for every fraud investigator.

―Gilbert R. Jimenez, JD, CIG, LPD, Former Deputy Inspector General, IL

Investigators should put Charles Piper's Contract and Procurement Fraud Investigation Guidebook front-and-center on their resource shelf. Piper’s described investigative techniques and personal "War Stories" make this book an enjoyable and informative read. 

―Andy Wise, Chief Consumer Investigator, WMC Action News 5

Healthcare Fraud Investigation Guidebook (CRC Press, 2016)

Although there are books on the market that describe how to "detect" healthcare fraud, Piper's book describes how to detect &"investigate" it!  Detection is a very important starting point but it does not stop healthcare fraud. Thorough and complete investigating finds the criminals and holds them accountable. This book can revolutionize the way that healthcare fraud investigations are conducted. It teaches not only how to detect and investigate but also how to find previously undetected fraud.  Most investigations are not conducted this way. The author's own unique approach to investigating (The Piper Method) is detailed in which as many as 10 simultaneous investigations are conducted on each case.


"Investigating healthcare fraud is a challenge for both the rookie and experienced investigator. Success requires knowledge of how our healthcare system works and of the broad range of potential fraud schemes unique to healthcare, along with solid investigative techniques and skills. Charles Piper’s excellent book, Healthcare Fraud Investigation Guidebook covers all of these topics and more, providing investigators with the practical information they need to meet the challenge. A copy of Charles Piper’s Healthcare Fraud Investigation Guidebook should be on every healthcare fraud investigator’s desk."
―Louis Saccoccio, JD, Chief Executive Officer, National Health Care Anti-Fraud Association

"Healthcare fraud is so enormous that no one can accurately estimate what the total cost is. And, it costs all of us. Everyone reading this sentence is the victim of healthcare fraud through higher medical fees, increased premiums, and tax hikes. I am grateful that an experienced fraud examiner such as Charles Piper has taken the time to share his extensive knowledge and experience so that others can join him in the fight to reduce this massive epidemic."
―James D. Ratley, Chief Financial Officer, Chief Executive Officer, and President, Association of Certified Fraud Examiners

"Healthcare fraud is costing money and lives. Charles Piper’s Healthcare Fraud Investigation Guidebook exposes the problem and provides tested methods to investigate healthcare shenanigans. ‘The Piper Method’ of conducting thorough and complete investigations needs to become the preventive remedy that cures the greed that is poisoning the healthcare industry."
―Scott Amey, JD, General Counsel, Project On Government Oversight (POGO)

Investigator and Fraud Fighter Guidebook: Operation War Stories      (Wiley, 2014)

The ability to conduct thorough and effective investigations is a skill that has become increasingly in-demand across many industries. At the same time, investigative resources are dwindling as markets recede. Regulation and financial hurdles impede traditional investigation processes. Even seasoned professionals are finding themselves over tasked or lacking the experience to pursue the types of cases that are accumulating.

In Investigator and Fraud Fighter Guidebook: Operation War Stories, author Charles E. Piper, CFE provides insight and guidance on how to conduct thorough and complete investigations while juggling a caseload. Piper served over 30 years in law enforcement-including 20 as an award-winning Federal Special Agent-Criminal Investigator. His wide array of experience allows him to lend a high-level perspective to the art and science of professional investigations of criminal, civil, and administrative cases. In the book, Piper provides guidance on conducting thorough and complete investigations (even with fewer resources) and spotting red flags that often indicate big-picture problems. Piper also shows how to:

  • Identify the suspect's other wrongful acts (similar and otherwise)
  • Identify similar wrongful acts committed by others, and predict future occurrences
  • Identify systemic weaknesses, waste, and abuse
  • Identify changes and corrections necessary to prevent future occurrences

The book includes Piper's real-life investigative examples to illustrate important concepts. Whether the matter is public, private, or military, the same basic investigative principles apply. Things that may seem totally unrelated may hold the keys that crack the cases. The Investigator and Fraud Fighter Guidebook: Operation War Stories provides the acumen and judgment required to pick up on these clues and successfully conclude investigations.


“Experience is the best teacher. And Charles Piper has it in spades. Investigator and Fraud Fighter Guidebook: Operation War Stories shows the good, the bad and the ugly — from the trenches. Yes, fighting fraud is a war. This book belongs in the investigator’s stockpile of weapons.”
—Dr. Joseph T. Wells, CFE, CPA, Founder and Chairman, Association of Certified Fraud Examiners

“Charles Piper is one of the most experienced investigators I know. But like most good investigators, he learned more from his mistakes than he did from his successes. This book walks you through his amazing career and allows the reader to learn some of the lessons Charles learned the hard way. His stories are entertaining and informative. Investigators of all levels will improve their skills by following his lessons.”
—James D. Ratley, CFE, President & CEO, Association of Certified Fraud Examiners

“I worked with Chuck Piper when I was a federal prosecutor. He was one of the smartest, hardest-working and tenacious federal investigators I ever met. Chuck has the ability to think outside-the-box which is an important quality because fraud schemes are constantly evolving in both creativity and complexity. Chuck is, without doubt, one of the best!”
—Paul S. Padda, Former Federal Prosecutor, Las Vegas, Nevada

“This book is must reading for all those who want investigations to be thorough and complete. Charles Piper has a rare combination of investigative know how and street smarts. His unique shared approach to investigating combined with his own investigative ‘War Stories’ will help investigators and fraud fighters worldwide solve more cases, catch more criminals and better combat fraud, waste, and abuse.”
—Bruce Durbin, Senior Special Agent, U.S. Department of Homeland Security (Retired)

Fields of Spring (Spring Training’s Ultimate Guide) (Total Recall Publishing, 2013)

Fields of Spring provides Major League Baseball fans with over 170 color photographs of Spring Training stadiums, complexes and action in both Florida or Arizona where the 30 MLB teams train. Tips are provided on catching free baseballs, getting autographs, seeing exhibition games inside the stadiums, and even customizing and displaying the memorabilia obtained during spring training visits. Stadium addresses and telephone numbers are provided as well as numerous useful websites. This is a must-have book for anyone who wonders what Spring Training is all about or wants to get the most out of their visits. Note: Teams sometimes relocate their spring training homes but the book includes websites to obtain the most current information.

Watch Cool Fields of Spring YouTube Video!

Some of Piper's Published Magazine Articles
November 2014
Fraud Magazine (Association of Certified Fraud Examiners)
"The Successful Fraud Fighter"
This articles provides guidance and reminders of what it takes to be a successful fraud fighter.

May 2014

Fraud Magazine (Association of Certified Fraud Examiners)
"Needles in a Paystack"
This article describes a healthcare provider investigation involving an allergy doctor. It is also Chapter One of the ACFE's book, "Insurance Fraud Casebook"

MAY 2013


(Association of Certified Fraud Examiners)
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JAN-FEB 2013
(Magazine Cover & Feature Article)


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(Magazine Cover & Feature Article)

                                                     & PROCUREMENT FRAUD"


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(Feature Article)
(This article only available to subscribers - See

May - June 2012



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