I am selling my books on eBay, just finished the GMAT, fair price - check out the link (shipping to US lower 48 only)
https://www.ebay.com/itm/Complete-GMAT-S ... 257120be24

Complete Manhattan GMAT Strategy Guide Set (8 Strategy Guide Books) - all 4th Edition:
Condition: Underlining throughout the books, otherwise OK condition.
1. Number Properties (4th Ed) (ISBN: 978-0-9824238-4-4)
2. Fractions, Decimals, & Percents (4th Ed) (ISBN: 978-0-9824238-2-0)
3. Equations, Inequalities, & VICs (4th Ed) (ISBN: 978-0-9824238-1-3)
4. Word Translations (4th Ed) (ISBN: 978-0-9824238-7-5)
5. Geometry (4th Ed) (ISBN: 978-0-9824238-3-7)
6. Critical Reasoning (4th Ed) (ISBN: 978-0-9824238-0-6)
7. Reading Comprehension (4th Ed) (ISBN: 978-0-9824238-5-1)
8. Sentence Correction (4th Ed) (ISBN: 978-0-9824238-6-8)

The Official Guide Books
Condition: GMAT 13 is essentially new (only did a couple problems), the other books are in OK conidition.
9. The Official Guide for GMAT Review (13th Ed) (ISBN: 978-1118109793)
10. The Official Guide: Review (12th Ed) (ISBN: 978-0-470-44974-5)
11. The Official Guide: Verbal Review (2nd Ed) (ISBN: 978-0-470-44975-2)
12. The Official Guide: Verbal Review (1st Ed) (ISBN: 978-0976570912)
13. The Official Guide: Quantitative Review (2nd Ed) (ISBN: 978-0-470-44976-9)
14. The Official Guide: Quantitative Review (1st Ed) (ISBN: 978-0976570929)

Other Study Books
Condition: MG Advanced Quant and PowerScore CR books are essentially new, MH book is in OK condition.
15. Manhattan GMAT Advanced GMAT Quant (ISBN: 978-1935707158)
16. The PowerScore GMAT Critical Reasoning Bible (ISBN: 978-0972129633)
17. McGraw-Hill's Conquering GMAT Verbal and Writing (1st Ed) (ISBN: 0071508163)

Other Item:
18. Stop Watch

Conditions:
Books have been in a a dry and smoke free environment. No returns accepted. Ships to the lower 48 US.