This is a set of the official guide (English edition) and a Japanese reference book from ALC, both ideal for GRE test preparation. Studying with both was very effective. - Title: The Official Guide to the GRE General Test - Publisher: ETS - 3rd Edition - Language: English - Price: $40 - Title: New Test Edition: GRE Test Study Methods and Problem-Solving Techniques for Graduate School Admissions - Publisher: ALC - Language: Japanese - Price: 3800 yen There appear to be no markings, but please understand that I have not checked every page, so please purchase only if you are comfortable with this.