Education

Education
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Educational Materials, Aids, Devices and Supplies
A book is a set or collection of written, printed, illustrated, or blank sheets, made of paper, parchment, or other material, usually fastened together to hinge at one side. A single sheet within a book is called a leaf, and each side of a sheet is called a page. A book produced in electronic format is known as an e-book. Books may also refer to a literature work, or a main division of such a work. In library and information science, a book is called a monograph, to distinguish it from serial periodicals such as magazines, journals or newspapers. The body of all written works including books is literature. The word book comes from Old English "bôc" which comes from Germanic root "*bôk-", cognate to beech. Similarly, in Slavic languages is cognate to "beech". It is thus conjectured that the earliest Indo-European writings may have been carved on beech wood. A similar word blook is either an object manufactured to imitate a bound book, an on-line book published via a blog, or a printed book that contains or is based on content from a blog. Notebooks are blank books to be written in by the user. Students use them for taking notes. Scientists and other researchers use lab notebooks to record their work.