This standard specifies the format size and layout specification parameters that should be used in primary and secondary school textbooks. This standard applies to all kinds of textbooks used in ordinary primary and secondary schools. Teaching aid books used by primary and middle school students can refer to this standard.
GB/T 18358-2001 history
2009GB/T 18358-2009 General requirements of trim size and type area for primary and secondary school textbooks
2001GB/T 18358-2001 General requirements of page size and type area for primary and secondary school textbooks