Network+ Network Engineer's Essential Subjects: Exam Number N10-006 By Masakazu Sato / Toshiharu Sakani / Atsuko Okajima / Uchida Human Resources Development Center Price: 4,000 yen + tax Used item, read a few times. I found highlighting and writing in the places shown in the photos. There may be other writing as well. *Please refrain from purchasing if you are concerned, as I have a dog at home. ★For anonymous shipping, I may change the shipping method from Yu-Yu to Raku-Raku Mercari, depending on my convenience.