From publisher blurb:
The presence of a flesh golem on in a Pathfinder encounter is a game changer. The golem deals out impressive punishment while the PCs try to overcome its defenses. With Flesh Golem Variants, PCs will experience the horror of their first encounter with these iconic constructs four more times. Each golem has a fresh suite of special abilities and attacks that players will never forget
The pdf includes:
The Crawling Horror: An amalgamation of smaller golems that moves rapidly on broken fingers and shattered ankles. It can split apart from the main golem when the golem is critically struck.
Spiritflesh Golem: A stitched-together, incorporeal golem that can change others to incorporeal creatures. Though mindless, it carries an imprint of the lives it once had.
Stitch Golem: Crafted from the limbs and torsos of dozens of soldiers by practitioners of dark magic, the stitch golem works on the battlefield, dismembering enemy troops and mending friendly ones with the spare parts of fallen warriors.
Witchflesh Golem: An abomination of murdered or stolen bodies of witches, hags, and their familiars, the witchflesh golem can bring to bear malevolent hexes against enemies.