Blaze King Stove Material Can Anyone Tell Me Which Book Of Stephen King's Was Previewed At The End Of Blaze (paperback)?

Can anyone tell me which book of Stephen King's was previewed at the end of Blaze (paperback)? - blaze king stove material

At the end of the paperback "Blaze" by Stephen King, one or two chapters had come to his next book. Does anyone know the name? Thank you.