- PassKey EA Review Complete: Individuals, Businesses and Representation: IRS Enrolled Agent Exam Study Guide 2011-2012 Edition
- Passkey EA Review Complete: Individuals, Businesses and Representation: IRS Enrolled Agent Exam Study Guide 2012-2013 Edition
- Passkey EA Review Workbook: Three Complete Enrolled Agent Practice Exams 2012-2013 Edition
- PassKey Tax Preparer Review: A Study Guide to Individual Taxation: 2013-2014 Edition (PassKey Registered Tax Return Preparer Exam Review)
- PassKey Registered Tax Return Preparer Workbook: Three Complete IRS RTRP Practice Exams, 2013-2014 Edition
















