The Energetic Gamma-Ray Experiment Telescope (EGRET) instru ment on the Compton Gamma-Ray Observatory left as a legacy its Third Catalog of High Energy Gamma-Ray Sources, whose detections include a large number of blazars, some pulsars, the Large Magellanic Cloud and a solar flare. Most of the newly discovered objects - a majority of the catalog -are unidentified sources, with a clearly predominant Galactic population. Are all these radio-quiet pulsars, like Geminga, or is there a novel type of celestial object, awaiting identification? In spite of the limited angular resolution provided by...

12 strangers from different realities are kidnapped and left stranded on an Earth were magic has supplanted technology and ancient empires have prospered for many centuries in this work of dark fantasy. Among some are a deadly assassin from the Canadian Armed Forces, a brilliant Irish trauma surgeon, a "nuclear winter" survivor, and a medical marvel whose augmented strength does little to compensate for his irreversible brain damage. Receiving the aid of an ancient wizard of the Ethermen, the group of 12 finds themselves battling fierce creatures and witnessing marvels beyond their...