Frank Lloyd Wright – Complete 12-Volume Set. FRANK LLOYD WRIGHT MONOGRAPH (Volumes 1-8). FRANK LLOYD WRIGHT PRELIMINARY STUDIES (Volumes 9-11). There are minor scuffs and stains that are not very noticeable, but the overall condition is good. Note for Customers Purchasing Electronic Devices. Most electrical appliances we sell operate on AC100V. Before connecting to a power supply, please always make sure you have the correct voltage. Depending on the item and your country, a transformer may be required, so we kindly ask you to check. So please be careful. If you have any question or concern, please do not hesitate to contact me. International Buyers – Please Note. We do not mark merchandise values below value or mark items as “gifts” – US and International government regulations prohibit such behavior.