Vintage John Bellairs House with a Clock in its Walls Killer Robot Blue Figurine

John Bellairs Vintage paperback books House with a Clock in Its Walls - 2 editions The Treasure of Alpheus Winterborn - imperfect back cover and water mark The Curse of the Blue Figurine The Secret of the Underground Room The Eyes Of The Killer Robot 1986 turtleback edition It has a library stamp inside, otherwise in very good, clean condition, doesn’t even appear to have been read. Offers considered!