"Excel Work Techniques for First-Year Employees" Price: 1,300 yen Author: Masataka Nakayama *This book has some writing and minor page tears. "80 Ways to Make Your Computer Work 10 Times Faster" Price: 1,280 yen Author: Takuya Tanaka Both are books that teach efficiency in business. These books are recommended for new employees and those looking to improve their skills. Both were purchased new and have been stored after being read once, so the condition is relatively good. However, these are used items, so we are looking for buyers who understand this.