From the publisher's web-store page:
Larger than life threats, giants are a staple in fantasy, mythology, and folklore. There’s something about angry, powerful humanoids of truly monstrous size that sparks terror and wonder. Giants come in various sizes, types, and range from savvy tricksters to near-mindless brutes. This PDF provides background and rules for using giants in your AGE campaign, including three giant types, elemental giant customizations, gigantic creatures, giant-slaying weapons, and the half-giant background.