This style of children’s books illustrations is done with black outlined artwork. This style is very suitable for educational books, text books and activity books. The nature of such illustrations is descriptive where the children can get to know what is what and how they look or appear. These illustrations are very realistic and the anatomy is very perfect. They also maintain the exact dimensions of the body type or the positioning of various parts of the body or other important organs. The focus of these illustrations remain on getting the object illustrated perfectly. There is no need to add any backgrounds as they are not usually a part of routing children books which have story. The expressions are also very much real and there is no exaggeration of expressions. These are very real like images and suitable for both human characters as well as animal characters.