Answer: appendix

AnswerCrossword Clue
APPENDIXTextbook part
APPENDIXStuff in the back
APPENDIXBook end
APPENDIXBook feature
APPENDIXSupplement
APPENDIXBook addendum
APPENDIXAdd-on
appendixA section or table of additional matter at the end of a book or document
appendixsomething added on
appendixA tube-shaped sac attached to and opening into the lower end of the large intestine in humans and some other mammals