Nowadays, the character 書 (pinyin: shu) means book. In antiquity the character for book is 冊 (pinyin: ce, pronounced: tsuh). So what did 書 mean back in the day? Well it meant script. Today, 書 means script in Chinese calligraphy. Examples include：
楷書 (pinyin: kai shu) – regular Script
隸書 (pinyin: li shu) – clerical script
草書 (pinyin: cao shu) – cursive script
Pronunciations
Medieval Chinese: syo (pronounced syo)
Mandarin: shu (pronounced shu)
Cantonese: syu (pronounced sshyee)
Hakka: su (pronounced su)
Hokkien: su (pronounced su)
Japanese: sho
Korean: seo
Vietnamese: thư
Origins
The earliest record of the character 書 is found in bronze inscriptions of the Western Zhou dynasty (c. 1050 – 771 BCE).
STZheng 