One summer night, a falling star crosses the sky, describing a line of flame high in the atmosphere and leaving a glowing greenish streak in its wake. Early next morning, a huge cylinder is found half-buried on Horsell Common, hot from its journey through space. Under the eyes of a curious crowd, the cylinder's end begins to unscrew itself - and the tentacular creature within emerges... Earth is being invaded by Mars. Against the human tide of panic...

Young adult authors take on Greek gods, monsters and prophecy, to add insight and even more fun to Riordan's page-turner series, Percy Jackson & the Olympians. Learn the pros and cons of having a god as a parent, find out why Dionysus might actually be the best director Camp Half-Blood could have, and more! Features an introduction by Percy Jackson series author Rick Riordan, a glossary of ancient Greek myth, and plenty of information on the places,...

"50 writers-- from romance and erotica authors to real-world BDSM practitioners to adult entertainment industry professionals-- continue the conversation"--P. [4] of cover.