Captain Underpants Ook and Gluk Lot of 6

Captain Underpants 4,5,6 and 10 with Ook and Gluk bonus book. Also, one duplicate full color book of Captain Underpants book #5. Book 10 and full color #5 are hard covers. Ook and Gluk and Captain Underpants #4 has some wear and tear in the edges, priced been reduced for flaws but the insides are in good condition as well as with the other books. #4 Offers are welcome!