PLEASE SEE PHOTOS FOR DETAILED CONDITION.   Some of the books may have markings or cosmetic blemishes, see pics.   GBC

This lot of 10 books is perfect for those looking to challenge their mind and improve their problem-solving skills. Featuring a variety of brain teaser puzzles, IQ tests, and lateral thinking challenges, this collection is sure to keep you entertained for hours on end. Written by a mix of authors, these books cover a range of topics including math, puzzles, and tests. Whether you're a Mensa member or just looking for a fun way to exercise your brain, this collection has something for everyone. So why not add it to your bookshelf today?