Solve : ER diagram!?

1.	Solve : ER diagram!?
Answer» Does anyone know to draw an Entity Relation diagram? ER diagram (SQL server - database) ? -> A publishing company produces SCIENTIFIC books on various subjects. The books are written by authors who specialize in one particular subject. The company EMPLOYS editors who, not necessarily being specialists in a particular AREA, each take sole responsibility for editing one or more publications. A publication COVERS essentially one of the specialist subjects and is normally written by a single author. When writing a particular book, each author works with on editor, but may submit another work for publication to be supervised by other editors. To improve their competitiveness, the company tries to employ a variety of authors, more than one author being a specialist in a particular subject.

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