A SOLO ADVENTURE FOR THIEVES LEVEL 1-3 or Group Play Level 1-3 . Unfortunately, this booklet (like most copies I've seen) are missing the invisible ink pen. The game has been played - the pen has been used on the invisible ink sections. Apart from the missing pen and the inked sections, the modules are in VERY GOOD condition. Apparently if you have a UV light, you can use this instead of an invisible ink pen. Carefully read 32 page booklet, no missing pages. The inner pages have separated all in one unit from the hardcover front and back pages. Minor age yellowing . No dog ears on the sides of the pages. Some minor abrasions on the front and back cover. Good condition given it’s 45 years of existence. Copy write 1983 – Released in 1983, this game remains a classic and a must-have for collectors and avid gamers Please see the pictures for the most accurate condition of the product. Examine the pictures closely as they are provided as part of the description. Great addition to a collection.