Background on Semimagnetic Semiconductors.- Thermodynamics and Crystal Growth of Diluted Magnetic Semiconductors.- Band Structure and Theory of Magnetic Interactions in Diluted Magnetic Semiconductors.- Transport phenomena in Semimagnetic Semiconductors.- Experimental Studies of the d-d Exchange Interactions in Diluted Magnetic Semiconductors.- Bound Magnetic Polarons in Diluted Magnetic Semiconductors.- Magnetooptic Properties of Wide Gap II1?xMnxVI Semimagnetic Semiconductors.- II-Fe-VI Semimagnetic Semiconductors.- Semimagnetic IV-VI Compound Semiconductors.- Semimagnetic Semiconductor Superlattices.- Magnetism of Fe-Based Diluted Magnetic Semiconductors.