New and unused. I am also selling on other sites, so there is a chance of cancellation. Instant purchase without comment is OK! 2026 Edition, Clearly Understand Information Security Management: Text & Workbook [All-Color Illustrations/Includes Questions for Two Exams + Detailed Explanations/Subject A Exam & Subject B Exam Preparation/Basic Textbook] (Clearly Understand Series) (TAC Publishing) Paperback – December 18, 2025 TAC Corporation (Information Processing Course) (Author) ￥1,980 (tax included) Publisher: TAC Publishing (December 18, 2025) Release Date: December 18, 2025 Language: Japanese Paperback: 444 pages ISBN-10: 4300117543 ISBN-13: 978-4300117545 #TACCorporationInformationProcessingCourse #TACCorporation_InformationProcessingCourse #Books #Electrical/Mechanical/ElectronicCommunication #ClearlyUnderstand #InformationSecurityManagement #2026 #NewRelease