線裝書 [线装书]

Jyutping sin3 zong1 syu1
Pinyin xiàn zhuāng shū

Definitions (粵典–words.hk)
  1. 名詞
    用線​嚟​釘​裝​嘅​圖​書​（​量​詞​：​本​）
    book with fastening strings
Definitions (Wiktionary)
  1. noun
    thread-bound book