chapbook

noun

1. A small book, usually made from a single sheet, folded several times, containing poems, ballads or religious tracts.

   “1849 Notices of Fugitive Tracts: And Chap-books Printed at Aldermary Churchyard, Bow Churchyard, Etc This was, till within the last few years, a favourite chapbook in the north of England.”

   “For Haines’s chapbook. No-one here to hear.”

   “2005 Kathryn A. Lowry - The Tapestry of Popular Songs in 16th- and 17th Century China Two such examples of slim, chapbook-style collections were both part of larger compendia […]”