You are cordially invited to participate in the fourth Cold Spring Harbor Laboratory meeting on Epigenetics & Chromatin. The opening session will begin at 7:30 pm on Tuesday, September 11 and the meeting will end after lunch on Saturday, September 15, 2018. As currently planned, the program will have eight sessions devoted to oral presentations, together with three poster sessions for presentations which cannot be accommodated in the formal sessions. Selection of talks for the oral sessions will be made by the organizers in conjunction with the session chairpersons, from the submitted abstracts.