No folds, markings, or writing. It has been used, but I think it's relatively clean. Please consider it as a used item. Tabe's Biology Basics, Thoroughly from the Beginning By Shinya Tabe, published by Toshin Books This is a reference book with a reputation for common test preparation that corresponds to all new curriculum textbooks. With explanations in colloquial language and accurate illustrations, it is easy to understand from the basics, and important terms are highlighted in red, making it the strongest introductory book for efficient memorization and review.