Mary S. Schaeffer
books, newsletters, articles etc.

101 Best Practices for Accounts Payable

Kind words from reviewers about my books ______________

"This book is filled with wisdom, common sense, and practical solutions." - Vaughn P. Benjamin

“Triumph Over Tragedy is another valuable document preserving a record of Sept. 11. …Triumph Over Tragedy is the first of what could be a genre of Sept. 11 books about rebuilding a business. – USA Today

"this well written and very complete text has little competition ... On my scale of one to ten, this excellent book rates a nine." - Robert J. Bruss, syndicated columnist

"This book is an excellent primer ... she has a clear writing style and a strong grasp of her subject ... The book's biggest assets are the six chapters dealing with financing and tax issues." - The Boston Globe

"This guide explains clearly how to choose a vacation home, finance it and turn the place into an investment property. Ludwig shines when discussing rentals." - Money magazine

"Mary Ludwig provides a clear guide to their (derivatives) definitions and applications." - Treasury and Risk Management

Welcome and a little information about Mary Schaeffer's work
(for full information go to

Mary S. Schaeffer is the editorial director and publisher of Accounts Payable Now & Tomorrow (, a CRYSTALLUS, Inc. publication. She also directs the consulting practice for the firm.

After spending fifteen years in the corporate financial community, Mary S. Schaeffer (formerly Mary Schacht Ludwig) shifted her focus and began writing about what she had formerly practiced. For the last ten years she has worked as a business and financial writer.

She is a nationally-recognized expert on accounts payable and is quoted frequently on this and other finance topics. Information about her newsletter, complimentary AP e-zine and other work can be viewed at

The e-zine, e-AP News is fast becoming the must read publication by professionals interested in payment issues. She'll add you to the distribution of her weekly e-zine if you send her a note at publisher@​

She has authored ten books for John Wiley & Sons and two for McGraw-Hill and has recently signed contracts with Wiley for another. Her most recent book, New Payment World was published in July 2007. She is also the author of The Controllers and CFO's Guide to Accounts Payable, published in November 2006, and Accounts Payable & Sarbanes Oxley: Strenthening Your Internal Controls and many other business titles.

Most of her books, including all those mentioned above, have been published by John Wiley & Sons. These books, like all books published by John Wiley, can be ordered at a 15% discount by going to http:/​/​​links.html and clicking on the Wiley link.

Additionally, she occasionally writes and consults about other varied topics that interest her.

She can be reached at (302)836 0540, or by email at marys@​ or mary@​

Note: All of Mr. Duffy's royalties from this project go directly to the KBW Family Fund to help support the families of the employees lost on 9/​11.

accounts payable
Mary S. Schaeffer
accounts payable
accounts payable newsletter
account payable
Accounts Payable Now & Tomorrow
AP expert
Mary Schaeffer
Essentials of Accounts Payable
Accounts Payable Best Practices
Controller & CFOs Guide to Accounts Payable
Accounts Payable & Sarbanes Oxley: Strengthening Your Internal Controls
Travel & Entertainment Best Practices
Accounts Payable: A Guide to Running an Efficient Department

Mary Schaeffer's Books

The way organizations of all sizes are paying their bills is changing, and changing rapidly. New technologies and approaches are making paper checks obsolete. This ground breaking book takes a look at how anyone can create a cost efficient controlled payment process for their organization. ________________
An in-depth look at practices every organization should be using to keep T&E expenses under control and prevent T&E fraud - while running an efficient operation. ________________
The book that answers the perennial question that regularly pops into the minds of Controllers and CFOs: Why’s my accounts payable manager doing that?
An extensive review of internal controls in the accounts payable funciton
Identifies both best and worst pracices used in Corporate America today. ________________
written with Keefe Bruyette & Woods Chairman, John Duffy with contributions from KBW employees ________________
a primer for those looking for information about business credit and collection issues ________________
A primer for those just starting out as well as those who manage the department. HINT: Accounts payable is alot more than just paying bills ________________
A comprehensive handbook for those managing the accounts payable function or "the Bible" as one business executive calls it ________________
In addition to the books shown here, Ms. Schaeffer has written books about Business Credit, Real Estate and Derivatives. ________________