GB/T 18358-2009General requirements of trim size and type area for primary and secondary school textbooks (English PDF)

3.1

Finished print format, the graphics and the sum of the vacant portion.

[GB/T 9851.2-2008, the definition 3.1]

3.2

Printing plate or printing area (excluding bleeding image, head and folio) finished print format prescribed.

3.3

Representation distinguish single character size.

[GB/T 9851.2-2008, the definition 4.2]

4.1 format size

Compulsory format size (Grades 1-9) Textbooks should be GB/T 788-1999 Table 1 A5 and B5.

Format size and high school textbooks should be used GB/T 788-1999 in Table 1, A5, B5 and A4.

4.2 Layout

Version 4.2.1 Heart

Various sizes format specification version of the heart subject to the requirements of Table 1.

Table 1 shows the core part specifications, applicable to all types of text-based school textbooks. In FIG mainly in the design of school textbooks

When the version of the heart may be greater than the size specified in Table 1, but the gutter, cut, day head and foot width of not less than 7mm.

Textbook adoption column design, subject characteristics should be considered a reasonable allocation of column width, provided in easy reach students the best visual effects

By maximizing the utilization of the layout. Textbook column design, range version of the heart to the outer boundary of each column shall prevail.