A mysterious signal originating from the Tharsis region of Mars set us on a frantic mission. Who sent it? And why? Impossible questions, but in them lie the key to humanity's survival.

Amateur Photographer is the world's oldest weekly magazine for photography enthusiasts. With its unique weekly format, it is the first for news and digital and film equipment tests. Regular features on reader portfolios, darkroom, digital, black & white and photographer profiles ensure all areas of photography are covered.

The modern world holds many secrets, but the most astounding secret of all is that witches still live amongst us; vicious supernatural creatures intent on unleashing the Black Death upon the world. Armies of witch hunters battled the unnatural enemy across the globe for centuries, including Kaulder, a valiant warrior who managed to slay the all-powerful Queen Witch, decimating her followers in the process.

Science is the academic journal of the American Association for the Advancement of Science and is considered one of the world's most prestigious scientific journals. The peer-reviewed journal, first published in 1880 is circulated weekly and has a print subscriber base of around 130,000. Because institutional subscriptions and online access serve a larger audience, its estimated readership is one million people.