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Blockbook


Block books, also called xylographica, are short books of up to 50 leaves, block printed in Europe in the second half of the 15th century as woodcuts with blocks carved to include both text and illustrations. The content of the books was nearly always religious, aimed at a popular audience, and a few titles were often reprinted in several editions using new woodcuts. Although many had believed that block books preceded Gutenberg's invention of movable type in the first part of the 1450s, it now is accepted that most of the surviving block books were printed in the 1460s or later, and that the earliest surviving examples may date to about 1451. They seem to have functioned as a cheap popular alternative to the typeset book, which was still very expensive at this stage. Single-leaf woodcuts from the preceding decades often included passages of text with prayers, indulgences and other material; the block book was an extension of this form. Block books are very rare, some editions surviving only in fragments, and many probably not surviving at all.

Block books are short books, 50 or fewer leaves, that were printed in the second half of the 15th century from wood blocks in which the text and illustrations were both cut. Some block books, called chiro-xylographic (from the Greek cheir (χειρ) "hand") contain only the printed illustrations, with the text added by hand. Some books also were made with the illustrations printed from woodcuts, but the text printed from movable metal type, but are nevertheless considered block books because of their method of printing (only on one side of a sheet of paper) and their close relation to "pure" block books. Block books are categorized as incunabula, or books printed before 1501. The only example of the blockbook form that contains no images is the school textbook Latin grammar of Donatus.

Block books were almost exclusively "devoted to the propagation of the faith through pictures and text" and "interpreted events drawn from the Bible or other sources in medieval religious thought. The woodcut pictures in all were meaningful even to the illiterate and semi-literate, and they aided clerics and preaching monks to dramatise their sermons."


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