Question: when does stephen kings new book come out

title: It (2017 film)
text: Now calling themselves `` The Losers Club '' , they realize they are all being terrorized by the same entity . They determine that `` It '' assumes the appearance of what they fear , awakens every 27 years to feed on the children of Derry before returning to hibernation , and moves about by using sewer lines , which all lead to a well currently under the abandoned house at 29 Neibolt Street . After an attack by Pennywise , the group ventures to the house to confront him , only to be separated and terrorized . Eddie breaks his arm , while Pennywise gloats to Bill about Georgie . As they regroup , Beverly impales Pennywise through the head , forcing the clown to retreat . After the encounter , the group begins to splinter , with only Bill and Beverly resolute in fighting It .