The acronym GIS is sometimes used for geographic information science (GIScience) to refer to the academic discipline that studies geographic information systems and is a large domain within the broader academic discipline of geoinformatics.[1] What goes beyond a GIS is a spatial data infrastructure, a concept that has no such restrictive boundaries ...
Percy Jackson & the Olympians. Percy Jackson & the Olympians, often shortened to Percy Jackson, is a pentalogy of adventure and mythological fiction books written by American author Rick Riordan. Five supplementary books, along with three graphic novels, have also been released.
When troubled student Percy Jackson vaporizes his math teacher on a class field. trip, he begins to suspect that his life is not what it seems. He discovers that his. lifelong reading and attention troubles are all signs that he is a half-blood-a child of. the Greek gods.