Elementary School Encyclopedia NEO 9-Book Set McDonald's Happy Meal Encyclopedia Thank you for looking. This is a 9-book set of the Elementary School Encyclopedia NEO series, distributed with McDonald's Happy Meals. It covers a wide range of genres such as animals, vehicles, deep-sea creatures, and dangerous creatures, making it recommended for expanding children's interests. There are signs of use as they were read by children, but there are no tears. There is some yellowing due to age, so please check the images for the condition before purchasing. This is listed at the lowest price. The price includes shipping. Please only purchase if you understand that this is a used item and has been stored at home. Please refrain from purchasing if you are looking for perfection. We are selling them as a set only and do not intend to sell them individually. Immediate purchase is possible. Thank you very much.