The 3 investigators paperback bundle please note these are all I'm very poor condition. They were very really read when I was a kid, one is an ex library book and they show signs of this. there is significant spine cracking and damage to the covers both front and back. the pages are extremely yellowed it doesn't show very well on the photos but really do show their ages. They have been in the loft for years 3 in 1 mysteries containing the secret of terror castle, the mystery of the stuttering parrot and the secret of the crooked cat 3 in 1 mysteries containing the green ghost, the vanishing treasure and skeleton island detective stories containing hot wheels and murder to go alfre Hitchcock and the three Investigators the mystery of the deadly double