Three books: "Guinness World Records 2017" hardcover published by Guinness World Records Limited, featuring over 4,000 records and photographs; "Paper Planes" softcover by Igloo Books Limited (ISBN 9780857342843), which contains facts and models to make eight different planes; and "Glencoe Math Course 3 Volume 2" softcover published by McGraw Hill Education (ISBN 9780076683880). Glencoe Math is a mathematics educational textbook. Paper Planes includes illustrated and punch-out pages for paper airplane models.
General use and handling wear is visible. No major damage noted. See photos for measurements, if taken.