Keeping up with the multitude of characters from Greek mythology can be a handful. Illustrated with colorful digital artwork and accompanied by a map of ancient Greece, these entries in the Greek Mythology series give children a brief, age-appropriate overview of some of mythology's most interesting gods and goddesses. Poseidon portrays some of the restless god's affairs and famous offspring, including Orion, Triton, and the Minotaur. The books describe the people who worshiped these gods, like the metalworkers and blacksmiths who revered Hephaestus, and make comparisons throughout to the gods and goddesses' Roman equivalents. Other features include sidebars, which make connections to art, the constellations, and other areas of ancient Greek culture. Good background knowledge for the Percy Jackson series, too.