Percy Jackson, a twelve-year-old American schoolboy, barely avoids becoming a victim of his math teacher. Luckily, the pen Mr. Brunner (the Latin teacher) gives him turns into a real sword and strikes the crazed math teacher. But that’s not the end of Percy Jackson’s troubles. Along the coast, where he travels with his mom, a creature attacks them—Minotaur. And Percy’s school friend Grover, who unexpectedly came to help, turns out not to be a boy, but a satyr. Yet the main adventures begin later, when Percy and Grover reach Camp Half-Blood…